Extraction equipment for vitex rotundifolia essential oil for marine healing and method for extracting vitex rotundifolia essential oil using the same

Abstract

The present invention comprises: a distillation flask containing distilled water and positioned on a heating device to extract essential oil of Vitex rotundifolia that does not contain substances harmful to the human body and to minimize heat-induced damage to the Vitex rotundifolia extract; a bump trap having a bulb shape with a swollen central portion, connected to the opening of the distillation flask, receiving steam from the distilled water heated by the heating device, and preventing the inflow of substances toward the distillation flask; an extraction flask connected to the upper part of the bump trap not adjacent to the opening of the distillation flask, containing a Vitex rotundifolia mixture including leaves, stems, fruits, and flowers of Vitex rotundifolia, and receiving the steam from the bump trap; and a steam connector connected to the upper part of the extraction flask not adjacent to the upper part of the bump trap, receiving the steam of the Vitex rotundifolia extract extracted by the steam delivered to the extraction flask, and delivering the steam to a cooling device to cool the steam. The present invention provides an extraction device for the essential oil of *Vitex rotundifolia* for marine healing, comprising a separating funnel connected to one side of the cooling device and separating the *Vitex rotundifolia* extract into essential oil and condensate.

Description

Technology Field

[0001] The present invention relates to an apparatus for extracting essential oil of *Vitex rotundifolia* for marine healing and a method for extracting essential oil of *Vitex rotundifolia* using the apparatus for extracting essential oil of *Vitex rotundifolia* for marine healing. Background Technology

[0002] Marine healing refers to the use of marine healing resources to promote public health, such as improving constitution, enhancing immunity, and anti-aging. Marine healing resources that can be utilized include seawater, marine sediments, seaweed, halophytes, marine landscapes, and marine climate. Among these, halophytes refer to plants that inhabit soil with high salt concentrations and are known to be distributed in various environments, such as tidal flats, brackish water areas, coastal sand dunes, and reclaimed land.

[0003] Among halophytes, *Vitex rotundifolia* is a deciduous shrub belonging to the Verbenaceae family. It is known as a type of sandy halophyte primarily distributed along sandy beaches, sand dunes, and salt marshes on islands and coastlines south of Hwanghae Province. It features purple flowers and round or oval leaves, and is covered in silvery-white hairs, giving it strong adaptability to drought and salinity. Inhabiting this unique environment, *Vitex rotundifolia* possesses various active components such as flavonoids, diterpenes, terpenoids, and lignans, and is evaluated to possess diverse physiological activities including antioxidant, anticancer, anti-inflammatory, anti-allergic, sedative, and anti-atopic effects. Furthermore, the fruit of *Vitex rotundifolia* is referred to as *Manhyeongja*, a medicinal herb used to treat colds, headaches, chronic otitis media, neuralgia, and various other ailments.

[0004] Meanwhile, essential oils, which are secondary metabolites of plants, have long been used for medicine, fragrances, cosmetics, and food additives, and all parts of the plant, including leaves, flowers, stems, seeds, and roots, can be used. There are various methods for extracting essential oils, such as steam distillation, solvent extraction using volatile or non-volatile solvents, leaching, and supercritical extraction. Among these, steam extraction is a method of obtaining essential oil by heating with steam and cooling the vapor of the extract containing the essential oil. However, among steam extraction methods, the clevenger-type method, which is most widely used in laboratory settings, extracts essential oils under atmospheric pressure conditions and has a simple structure, raising concerns that heat-sensitive substances may be damaged. Prior art document KR 2198964 B1 also discloses essential oil extracts, but the method of extracting essential oil extracts corresponds to a clevenger-type extraction device.

[0005] Accordingly, there is a need for an extraction apparatus for essential oil derived from Vitex rotundifolia that can minimize heat-induced damage and improve separation precision, and an extraction method using the same. The problem to be solved

[0006] The objective of the present invention is to provide an apparatus for extracting essential oil of *Vitex rotundifolia* for marine healing and an extraction method using the same, which can extract essential oil of *Vitex rotundifolia* with minimal substances harmful to the human body.

[0007] Another objective of the present invention is to provide an apparatus for extracting essential oil derived from Vitex rotundifolia for marine healing and an extraction method using the same, which can minimize heat-induced damage to the Vitex rotundifolia extract. means of solving the problem

[0008] To achieve the above-mentioned purpose, an extraction device for *Vitex rotundifolia* essential oil for marine healing may be provided, comprising: a distillation flask that receives distilled water and is positioned on a heating device; a bump trap having a bulb shape with a swollen central portion, which is connected to the opening of the distillation flask and receives steam from the distilled water heated by the heating device and prevents the inflow of material toward the distillation flask; an extraction flask connected to the upper part of the bump trap not adjacent to the opening of the distillation flask, which receives a mixture of *Vitex rotundifolia* leaves, stems, fruits, and flowers, and receives the steam from the bump trap; a steam connector connected to the upper part of the extraction flask not adjacent to the upper part of the bump trap, which receives the steam of the *Vitex rotundifolia* extract extracted by the steam delivered to the extraction flask and delivers the steam to a cooling device to cool the steam; and a separating funnel connected to one side of the cooling device and separating the *Vitex rotundifolia* extract into essential oil and condensate.

[0009] Additionally, the extraction device for the marine healing Vitex rotundifolia essential oil may further include a non-metallic mesh that is contained within the extraction flask and positioned below the Vitex rotundifolia mixture to prevent the Vitex rotundifolia mixture from heading toward the bump trap.

[0010] In addition, the non-metallic mesh may include at least one of Teflon, polyimide, and PEEK.

[0011] In addition, the pores of the above non-metallic mesh may be 0.5 mm or more and 1 mm or less.

[0012] In addition, to achieve the aforementioned purpose, in a method for extracting essential oil of *Vitex rotundifolia* for marine healing using an extraction device for essential oil of *Vitex rotundifolia* for marine healing, the extraction device for essential oil of *Vitex rotundifolia* for marine healing comprises: a distillation flask containing distilled water and positioned on a heating device; a bump trap having a bulb shape with a swollen central portion, connected to the opening of the distillation flask, receiving steam from the distilled water heated by the heating device, and preventing the inflow of substances toward the distillation flask; an extraction flask connected to the upper part of the bump trap not adjacent to the opening of the distillation flask, containing a mixture of *Vitex rotundifolia* leaves, stems, fruits, and flowers, and receiving the steam from the bump trap; and a steam connector connected to the upper part of the extraction flask not adjacent to the upper part of the bump trap, receiving the steam of the *Vitex rotundifolia* extract extracted by the steam delivered to the extraction flask, and delivering the steam to a cooling device to cool the steam. A method for extracting essential oil of Vitex rotundifolia for marine healing can be provided, comprising a separating funnel connected to one side of the cooling device and separating the extract of Vitex rotundifolia into essential oil and condensate, wherein the method comprises the steps of: introducing distilled water into the distillation flask and introducing the Vitex rotundifolia mixture, which has been washed and dried under vacuum conditions, into the extraction flask; generating steam from the distilled water and then operating the heating device to supply the steam from the distilled water to the extraction flask through the bump trap to heat the distillation flask to a temperature of 100°C or higher and 120°C or lower; and cooling the steam of the extract of Vitex rotundifolia, which is generated by the steam supplied to the distillation flask and delivered to the steam connecting pipe, to obtain essential oil through the separating funnel.

[0013] In addition, the above mixture of Vitex rotundifolia can be dried at a temperature of 20°C or higher and 25°C or lower under conditions of 1 atmosphere.

[0014] In addition, in the step of obtaining the essential oil, the temperature of the cooling water for cooling the Vitex rotundifolia extract may be 5℃ or lower.

[0015] In addition, in the step of obtaining the refined oil, it can be obtained by at least one of a bottom recovery method in which the refined oil is separated after the condensate is separated, and a top recovery method in which the refined oil is separated above the condensate.

[0016] In addition, the time for obtaining the above essential oil may be 120 minutes or more and 300 minutes or less.

[0017] In addition, to achieve the above-mentioned purpose, the essential oil of *Vitex rotundifolia* for marine healing extracted according to the extraction device for the essential oil of *Vitex rotundifolia* for marine healing and the method for extracting the essential oil of *Vitex rotundifolia* for marine healing using the extraction device for the essential oil of *Vitex rotundifolia* for marine healing can be provided. Effects of the invention

[0018] The effects of the present invention obtained through the above-described solution are as follows.

[0019] The extraction apparatus for marine healing Vitex rotundifolia essential oil and the extraction method using the same proposed in this invention are methods of indirectly distilling the extract contained in Vitex rotundifolia by distilling steam, thereby enabling the extraction of Vitex rotundifolia essential oil that does not contain substances harmful to the human body.

[0020] In addition, the extraction device for marine healing Vitex rotundifolia essential oil and the extraction method using it utilize a vacuum distillation method in which distilled water and Vitex rotundifolia are separated through the use of a bump trap, thereby minimizing heat-induced damage to the Vitex rotundifolia extract. Brief explanation of the drawing

[0021] Figure 1 is a photograph showing an extraction device for marine healing Vitex rotundifolia essential oil proposed in the present invention. Figure 2 is a photograph showing a Teflon mesh among the heat-resistant non-metallic meshes at the bottom of the extraction flask in the configuration of the extraction device for marine healing Vitex rotundifolia essential oil proposed in the present invention. Figure 3 is a photograph of essential oil being extracted from a separating funnel in an extraction device for marine healing Vitex rotundifolia proposed in the present invention. FIG. 4 is a flowchart illustrating a method for extracting marine healing essential oil using an extraction device for marine healing essential oil proposed in the present invention. Specific details for implementing the invention

[0022] Hereinafter, the apparatus for extracting essential oil of Vitex rotundifolia for marine healing and the method for extracting essential oil of Vitex rotundifolia using the same proposed in the present invention will be described in more detail with reference to the drawings.

[0023] In this specification, identical or similar reference numbers are assigned to identical or similar components even in different embodiments, and redundant descriptions thereof are omitted.

[0024] In describing the embodiments disclosed in this specification, if it is determined that a detailed description of related prior art could obscure the essence of the embodiments disclosed in this specification, such detailed description is omitted.

[0025] The attached drawings are intended only to facilitate understanding of the embodiments disclosed in this specification, and the technical concept disclosed in this specification is not limited by the attached drawings; it should be understood that all modifications, equivalents, and substitutions included within the concept and technical scope of the present invention are included.

[0026] In the following description, singular expressions include plural expressions unless the context clearly indicates otherwise.

[0027] In this application, terms such as “comprising” or “having” are intended to specify the existence of the features, numbers, steps, actions, components, parts, or combinations thereof described in the specification, and should be understood as not precluding the existence or addition of one or more other features, numbers, steps, actions, components, parts, or combinations thereof.

[0028] Hereinafter, an extraction apparatus for marine healing Vitex rotundifolia essential oil proposed in the present invention will be described.

[0029] Figure 1 is a photograph showing an extraction device for marine healing Vitex rotundifolia essential oil proposed in the present invention.

[0030] Referring to FIG. 1, the marine healing Vitex essential oil extraction device (100) proposed in the present invention may include a distillation flask (110), a bump trap (120), an extraction flask (130), a steam connector (140), a cooling device (145), and a separating funnel (150).

[0031] At this time, the marine healing Vitex tree essential oil extraction device (100) can be fixed by a clamp and a clip. Specifically, the part connecting the bump trap (120) and the extraction flask (130), the part connecting the extraction flask (130) and the steam connector (140), and the separating funnel (150) can be fixed by the arm of the clamp so that the marine healing Vitex tree essential oil extraction device (100) is supported, and the part connecting the distillation flask (110) and the bump trap (120), the part connecting the bump trap (120) and the extraction flask (130), the part connecting the extraction flask (130) and the steam connector (140), the part connecting the steam connector (140) and the cooling device (145), and the part connecting the cooling device (145) and the separating funnel (150) can be fixed so as to be connected by a clip.

[0032] A distillation flask (110) can hold distilled water and be placed on a heating device (H).

[0033] A flask is a container used in a laboratory to hold, mix, or heat liquids. A distillation flask (110) made of glass material may be a round-bottom flask to ensure even distribution of heat generated by heating.

[0034] Distilled water contained in the distillation flask (110) is pure water from which impurities have been removed, obtained by boiling water to make steam and then condensing the steam. The removed impurities may include ions, microorganisms, organic matter, metals, fine particles, etc. Distilled water contained in the distillation flask (110) may be either secondary distilled water or tertiary distilled water.

[0035] Secondary distilled water is distilled water that has undergone the heating and condensation process twice, and can be used to maintain higher purity compared to primary distilled water that has undergone the heating and condensation process once, and to additionally remove trace ions and organic matter.

[0036] Triple distilled water is distilled water obtained by distilling double distilled water one more time, and it can be used to obtain distilled water of higher purity compared to double distilled water.

[0037] A heating device (H) for heating a distillation flask (110) can heat the distilled water contained in the distillation flask (110) so that the distilled water is converted into the form of steam.

[0038] Meanwhile, a glass trap may be placed at the opening of the distillation flask (110). This is to prevent moisture from steam-soaked Vitex rotundifolia from falling directly into the distillation flask (110) and heating it.

[0039] The bump trap (120) is connected to the opening of the distillation flask (110) and can receive steam from distilled water heated by the heating device (H), and can prevent the inflow of material toward the distillation flask (110).

[0040] A bump trap is a glass apparatus containing a bulb-shaped, swollen center to prevent bumping, a phenomenon in which a boiling liquid suddenly splashes up, and is mainly used for vacuum distillation or concentrating solutions with high boiling points.

[0041] The extraction flask (130) is connected to the top of the bump trap (120) which is not adjacent to the opening of the distillation flask (110) and can receive steam from the bump trap (120).

[0042] The extraction flask (130) may be a round-bottom flask for even distribution of heat generated by heating and may contain a mixture of Vitex rotundifolia. Here, the mixture of Vitex rotundifolia may include leaves, stems, fruits, and flowers of Vitex rotundifolia. The mixture of Vitex rotundifolia may be contained within the part of the extraction flask (130) excluding the long neck. The specific gravity of the mixture of Vitex rotundifolia is 0.8 g / cm³ 3 Up to 0.95 g / cm² 3 Essential oils having a density of 1 g / cm³ and 1 g / cm³ 3 Water with a density of [value] shows a difference, making it possible to separate essential oils based on density separation.

[0043] Figure 2 is a photograph showing a Teflon mesh among the heat-resistant non-metallic mesh (M) at the bottom of the extraction flask in the configuration of the extraction device for marine healing Vitex rotundifolia essential oil proposed in the present invention.

[0044] Referring to FIG. 2, the extraction device (100) for marine healing Vitex rotundifolia essential oil may further include a heat-resistant non-metallic mesh (M) that is contained within an extraction flask (130) and positioned at the bottom of the Vitex rotundifolia mixture to prevent the Vitex rotundifolia mixture from heading toward a bump trap.

[0045] The non-metallic mesh (M) can prevent the citrus mixture contained in the extraction flask (130) from descending to the bottom, prevent steam passing through the bump trap (120) from being directly transferred to the citrus mixture, and allow the steam to be supplied slowly to the citrus mixture.

[0046] Non-metallic materials having heat resistance may include at least one of Teflon, polyimide, and PEEK.

[0047] Teflon is a non-metallic thermosetting material that is high-temperature stable even at temperatures between 150°C and 200°C, and has chemical resistance and structural stability, making it suitable for manufacturing in mesh form.

[0048] Polyimide is high-temperature stable even at temperatures up to 300°C and is relatively stable against strong acids and strong bases, so it can be used as a material for high-temperature filters and meshes.

[0049] PEEK (polyether ether ketone) is high-temperature stable even at temperatures between 250°C and 260°C and has excellent stability in acids, bases, and organic solvents, so it can be used as a precision filter and a mesh for vapor diffusion.

[0050] A heat-resistant non-metallic mesh (M) may include a plurality of pores, and each pore may be 0.5 mm or more and 1 mm or less.

[0051] If the pores of the heat-resistant non-metal mesh (M) are smaller than 0.5 mm, the speed of steam movement can be significantly reduced due to the control of steam transfer. On the other hand, if the pores of the heat-resistant non-metal mesh (M) are larger than 1 mm, some of the steam mixture may move downwards, and it may be difficult to control the transfer of steam.

[0052] The steam connector (140) is connected to the upper part of the extraction flask (130) that is not adjacent to the upper part of the bump trap (120) and can receive the steam of the extract of Vitex rotundifolia extracted by the steam delivered to the extraction flask (130).

[0053] Since the steam connector (140) must receive high-temperature steam, it may be made of a heat-resistant glass material, and the diameter of the part of the steam connector (140) that connects to the extraction flask (130) may be formed slightly larger than the diameter of the neck of the extraction flask. The diameter is formed slightly larger to minimize the leakage of steam of the Vitex rotundifolia extract, which is indirectly evaporated from water vapor, to the outside.

[0054] In this way, the steam connector (140) can receive steam of the Vitex rotundifolia extract from the extraction flask (130) and transfer it to the cooling device (145).

[0055] The cooling device (145) can receive steam of the Vitex extract from the steam connector (140) and convert the Vitex extract in a steam state into a liquid state, and in order to receive the steam of the Vitex extract without external leakage, the outer diameter of the cooling device (145) can be formed larger than the outer diameter of the steam connector (140) that delivers the steam of the Vitex extract.

[0056] Additionally, the cooling device (145) may be formed vertically to liquefy the vapor of the Vitex rotundifolia extract, or the surface area of ​​the Vitex rotundifolia extract passing through the cooling device (145) may be formed to be large.

[0057] FIG. 3 is a photograph of essential oil being extracted from a separating funnel (150) in an extraction device for marine healing Vitex rotundifolia proposed in the present invention.

[0058] Referring to FIG. 3, a separating funnel (150) that receives liquid extract of Vitex rotundifolia from a cooling device (145) can separate the extract of Vitex rotundifolia into essential oil and condensate.

[0059] A separatory funnel (150) is a funnel-shaped glass apparatus used to separate two liquids of different densities based on gravity and density difference. The separatory funnel (150) may include a conical body that is narrow at the top and has a tap at the bottom, and the valve portion corresponding to the bottom tap may be used to precisely discharge the liquid from the bottom.

[0060] Since the condensate in the extract of Vitex rotundifolia has a higher density than the essential oil, the essential oil for marine healing Vitex rotundifolia can be obtained by a bottom recovery method in which the condensate contained in the extract is separated, or by a top recovery method in which it is obtained through a dropper made of non-metallic material.

[0061] Hereinafter, a method for extracting essential oil of Vitex rotundifolia using an extraction device for marine healing Vitex rotundifolia proposed in the present invention will be described.

[0062] The extraction device (100) used in the method for extracting essential oil of Vitex rotundifolia for marine healing using the extraction device (100) may include a distillation flask (110), a bump trap (120), an extraction flask (130), a steam connection pipe (140), a cooling device (145), and a separating funnel (150).

[0063] A distillation flask (110) can hold distilled water and be placed on a heating device (H).

[0064] A bump trap (120) connected to the opening of a distillation flask (110) can receive steam from distilled water heated by a heating device (H), prevent the inflow of material toward the distillation flask (110), and may include a bulb shape with a swollen central portion.

[0065] The extraction flask (130) is connected to the upper part of the bump trap (120) that is not adjacent to the opening of the distillation flask (110) to receive a mixture of Vitex rotundifolia leaves, stems, fruits, and flowers, and to receive steam from the bump trap (120).

[0066] The steam connector (140) is connected to the upper part of the extraction flask (130) that is not adjacent to the upper part of the bump trap (120) to receive the steam of the extract of Vitex rotundifolia extracted by the steam delivered to the extraction flask (130), and can be delivered to a cooling device (145) to cool the steam.

[0067] And, the separating funnel (150) is connected to one side of the cooling device (145) to separate the extract of Vitex rotundifolia into essential oil and condensate.

[0068] FIG. 4 is a flowchart illustrating a method for extracting marine healing essential oil using an extraction device for marine healing essential oil proposed in the present invention.

[0069] Referring to FIG. 4, the method for extracting essential oil of Vitex rotundifolia for marine healing may first begin with the step (S110) of introducing distilled water into a distillation flask (110) and introducing a Vitex rotundifolia mixture into an extraction flask (130).

[0070] The distilled water contained in the distillation flask (110) may correspond to either secondary distilled water or tertiary distilled water, and the distilled water may be contained in about 80-90% of the round bottom portion of the distillation flask (110).

[0071] A mixture of Vitex rotundifolia, including its leaves, stems, fruits, and flowers, can be washed at least three times each with tap water and triple-distilled water. Washing the Vitex rotundifolia mixture is intended to remove impurities that are unnecessary for the essential oil process.

[0072] The washed Vitex rotundifolia mixture can be dried under any one of the following conditions: natural drying, vacuum drying (low-pressure drying), or freeze-drying.

[0073] Natural drying may be performed under standard atmospheric pressure conditions of 1 atm and at room temperature between 20°C and 25°C. Natural drying is a method that does not use special equipment and can be selected when there is minimal damage to heat-sensitive components.

[0074] Vacuum drying can refer to pressure conditions lower than standard atmospheric pressure and can be carried out at temperatures between 30°C and 60°C. Additionally, freeze drying can refer to drying at temperatures below -40°C. If the drying conditions for the Vitex rotundifolia mixture are 0.05 atm or lower, the moisture removal efficiency decreases, which may lead to incomplete drying and a risk of microbial contamination.

[0075] Meanwhile, if the atmospheric pressure at which the Vitex rotundifolia mixture is dried exceeds 1 atm and the drying temperature is 60°C or higher, major volatile components within the essential oil, such as terpenoids or flavonoids, may be destroyed or volatilized, resulting in a decrease in essential oil yield and fragrance characteristics. Therefore, regardless of which drying condition is selected, it is desirable not to exceed 1 atm, which corresponds to standard atmospheric pressure, and it is also desirable not to have an excessively high drying temperature. Furthermore, considering economic feasibility, it is desirable to dry by natural drying.

[0076] The mixture of dried Vitex rotundifolia, dried under vacuum conditions, can be introduced into an extraction flask (130). At this time, the dried Vitex rotundifolia mixture can be contained within the part of the extraction flask (130) excluding the long neck.

[0077] Meanwhile, a heat-resistant non-metallic mesh (M) may be additionally introduced at the bottom of the pure citrus mixture within the extraction flask (130).

[0078] After the step (S110) of adding distilled water into the distillation flask (110) and adding the citrus mixture into the extraction flask (130), the step (S120) of heating the distillation flask (110) may be performed.

[0079] Distilled water contained in the distillation flask (110) can be vaporized into steam by heating of the heating device (H) and supplied to the extraction flask (130) through the bump trap (120), and the vaporized steam can be used to vaporize the extract of Vitex rotundifolia into steam by an indirect distillation method.

[0080] At this time, the temperature at which the distillation flask (110) is heated may be 100°C or higher and 120°C or lower.

[0081] If the temperature at which the distillation flask (110) is heated is lower than 100°C, the distilled water contained in the distillation flask (110) may not be vaporized. On the other hand, if the temperature at which the distillation flask (110) is heated is higher than 120°C, the temperature of the steam is high, and the components within the Vitex rotundifolia extract that are vaporized by indirect distillation may be altered.

[0082] After the step (S120) of heating the distillation flask (110), the process may be completed by proceeding to the step (S130) of obtaining the refined oil through the separating funnel (150).

[0083] When the distillation flask (110) is heated and the steam of distilled water is supplied to the extraction flask (130), the steam of the Vitex rotundifolia extract can be transferred to the steam connector (140). The steam of the Vitex rotundifolia extract transferred to the steam connector (140) can pass through the steam connector (140) in a steam state and move to the cooling device (145).

[0084] Meanwhile, the essential oil temperature of the Vitex rotundifolia extract distilled by an indirect method may be higher than 95°C and lower than 120°C. If the essential oil temperature of the Vitex rotundifolia extract is lower than 95°C, the volatilization of the extract from the Vitex rotundifolia may decrease, thereby reducing extraction efficiency. On the other hand, if the essential oil temperature of the Vitex rotundifolia extract is higher than 120°C, heat-sensitive active ingredients may be altered.

[0085] The extract of Vitex rotundifolia transferred to the cooling device (145) can be liquefied into liquid condensate and essential oil.

[0086] The cooling device (145) may be formed vertically to liquefy the steam of the Vitex rotundifolia extract, or the surface area of ​​the Vitex rotundifolia extract passing through the cooling device (145) may be formed wide.

[0087] Meanwhile, in the step of obtaining the essential oil (S130), the temperature of the cooling water for cooling the Vitex rotundifolia extract may be 5℃ or lower.

[0088] If the temperature of the cooling water is higher than 5℃, the efficiency of cooling the Vitex rotundifolia extract may decrease.

[0089] The obtaining of the essential oil can be done using a separating funnel (150), and in the step of obtaining the essential oil (S170), the essential oil can be obtained by at least one of bottom recovery and top recovery.

[0090] Lower recovery is a method of separating the condensate and then separating the essential oil by opening the tap portion at the bottom of the separation funnel (150). Meanwhile, upper recovery is a method of recovering the essential oil located above the condensate using a dropper made of non-metallic material.

[0091] At this time, the time to obtain the refined oil may be 120 minutes or more and 300 minutes or less.

[0092] If the time for obtaining refined oil is less than 120 minutes or more than 300 minutes, the efficiency of obtaining refined oil may decrease.

[0093] Marine healing essential oil can be extracted through the aforementioned extraction device for marine healing essential oil and the method for extracting marine healing essential oil using the extraction device for marine healing essential oil.

[0094] Meanwhile, GC-MS (Agilent 8890 GC / 5977B MSD) was used to identify the chemical components of the marine healing essential oil extracted through the extraction method of marine healing essential oil proposed in the present invention. The identification of components was performed by matching the peaks appearing in the Total ion chromatogram with NIST MS Library Software and comparing them with the literature RIs. The content of the components was calculated as the relative area (%) between the peaks of each component on the chromatogram, and the analysis results are shown in Table 1 (fruit of the marine healing tree) and Table 2 (leaf of the marine healing tree) below.

[0095] classification compound area(%) KI Monoterpene hydrocarbon α-Thujene 0.44 928 Monoterpene hydrocarbon α-Pinene 39.89 934 Monoterpene hydrocarbon Camphene 0.42 948 Monoterpene hydrocarbon Thuja-2,4(10)-diene 0.32 954 Monoterpene hydrocarbon Sabinene 8.14 973 Monoterpene hydrocarbon β-Pinene 13.01 975 Monoterpene hydrocarbon β-Myrcene 0.42 991 Monoterpene hydrocarbon α-Terpinene 0.21 1016 Monoterpene hydrocarbon p-Cymene 1.58 1024 Monoterpene hydrocarbon Limonene 3.17 1028 Monoterpene hydrocarbon γ-Terpinene 0.64 1060 Monoterpene hydrocarbon Terpinolene 0.56 1087 Monoterpenes oxidized Eucalyptol 17.81 1030 Monoterpenes oxidized Pinocamphone 0.12 1158 Monoterpenes oxidized Pinocarvone 1.83 1161 Monoterpenes oxidized Terpinen-4-ol 0.89 1176 Monoterpenes oxidized α-Terpineol 0.67 1188 Monoterpenes oxidized Myrtenal 1.07 1192 Monoterpenes oxidized Bornyl acetate 1.91 1284 Sesquiterpene hydrocarbon β-Bourbonene 1.54 1380 Sesquiterpene hydrocarbon β-Caryophyllene 0.26 1412 Sesquiterpene hydrocarbon γ-Muurolene 0.31 1472 Sesquiterpene hydrocarbon Gemacrene D 1.47 1475 Sesquiterpene hydrocarbon γ-Cadinene 1.69 1507 Sesquiterpene hydrocarbon δ-Cadinene 1.62 1519

[0096] As shown in Table 1, the essential oil of Vitex rotundifolia fruit contains 75.71% monoterpenes and 24.29% sesquiterpenes. Monoterpenes accounted for the majority of the essential oil of Vitex rotundifolia fruit, and α-Pinene was identified as the major components, accounting for 39.89%, Eucalyptol as 17.81%, and β-Pinene as 13.01%.

[0097] classification compound area(%) KI Monoterpene hydrocarbon α-Thujene 0.78 928 Monoterpene hydrocarbon α-Pinene 37.98 934 Monoterpene hydrocarbon Sabinene 18.55 973 Monoterpene hydrocarbon β-Pinene 15.00 975 Monoterpene hydrocarbon β-Myrcene 1.57 992 Monoterpene hydrocarbon α-Terpinene 0.29 1016 Monoterpene hydrocarbon Limonene 2.77 1029 Monoterpene hydrocarbon γ-Terpinene 0.93 1060 Monoterpene hydrocarbon Terpinolene 0.44 1087 Monoterpenes oxidized Eucalyptol 17.55 1030 Monoterpenes oxidized Terpinen-4-ol 0.68 1175 Monoterpenes oxidized Bornyl acetate 1.27 1284 Sesquiterpene hydrocarbon β-Elemene 0.23 1389 Sesquiterpene hydrocarbon Gemacrene D 1.43 1475 Sesquiterpene hydrocarbon α-Humulene 0.19 1495 Sesquiterpene hydrocarbon γ-Cadinene 0.34 1507

[0098] As shown in Table 2, the essential oil of Vitex rotundifolia leaves contains 97.81% monoterpenes and 2.19% sesquiterpenes. Similar to the fruit of Vitex rotundifolia, monoterpene components accounted for the majority of the essential oil of Vitex rotundifolia leaves, with α-Pinene at 37.98%, Sabinene at 18.55%, Eucalyptol at 17.55%, and β-Pinene at 15.00%, which were detected as major components.

[0099] The foregoing description is merely illustrative, and various modifications may be made by those skilled in the art without departing from the scope and technical spirit of the described embodiments. The foregoing embodiments may be implemented individually or in any combination. Explanation of the symbols

[0100] 100: Essential oil extraction device for Vitex rotundifolia 110: Distillation flask 120: Bump Trap 130: Extraction flask 140: Steam connector 150: Discernment funnel

Claims

Claim 1 A distillation flask containing distilled water and positioned on a heating device; a bump trap having a bulb shape with a swollen central portion, connected to the opening of the distillation flask, receiving steam from the distilled water heated by the heating device, and preventing the inflow of substances toward the distillation flask; an extraction flask connected to the upper part of the bump trap not adjacent to the opening of the distillation flask, containing a mixture of leaves, stems, fruits, and flowers of Vitex rotundifolia, and receiving the steam from the bump trap; and a steam connector connected to the upper part of the extraction flask not adjacent to the upper part of the bump trap, receiving the steam of the Vitex rotundifolia extract extracted by the steam delivered to the extraction flask, and delivering the steam to a cooling device to cool the steam. An extraction apparatus for marine healing Vitex essential oil, comprising a separating funnel connected to one side of the cooling device and separating the Vitex extract into essential oil and condensate, and further comprising a non-metallic mesh contained within the extraction flask and positioned below the Vitex mixture to prevent the Vitex mixture from heading toward the bump trap and to supply steam to the Vitex mixture, wherein the non-metallic mesh comprises at least one of Teflon, polyimide, and PEEK. Claim 2 delete Claim 3 delete Claim 4 An extraction device for marine healing Vitex rotundifolia essential oil, wherein, in claim 1, the pores of the non-metallic mesh are 0.5 mm or more and 1 mm or less. Claim 5 A method for extracting essential oil of *Vitex rotundifolia* for marine healing using an extraction apparatus for essential oil of *Vitex rotundifolia* for marine healing, wherein the extraction apparatus for essential oil of *Vitex rotundifolia* for marine healing comprises: a distillation flask containing distilled water and positioned on a heating device; a bump trap having a bulb shape with a swollen central portion, connected to the opening of the distillation flask, receiving steam from the distilled water heated by the heating device, and preventing the inflow of a substance toward the distillation flask; an extraction flask connected to the upper part of the bump trap not adjacent to the opening of the distillation flask, containing a mixture of *Vitex rotundifolia* leaves, stems, fruits, and flowers, and receiving the steam from the bump trap; and a steam connector connected to the upper part of the extraction flask not adjacent to the upper part of the bump trap, receiving the steam of the *Vitex rotundifolia* extract extracted by the steam delivered to the extraction flask, and delivering the steam to a cooling device to cool the steam. The method further comprises a separating funnel connected to one side of the cooling device and separating the Vitex extract into essential oil and condensate, and a non-metallic mesh that is contained within the extraction flask and positioned at the bottom of the Vitex mixture to prevent the Vitex mixture from heading toward the bump trap and to supply steam to the Vitex mixture, wherein the non-metallic mesh comprises at least one of Teflon, polyimide, and PEEK, and the method for extracting the essential oil of Vitex for marine healing comprises the steps of: introducing distilled water into the distillation flask and introducing the Vitex mixture, which has been washed and dried under vacuum conditions, into the extraction flask; and operating the heating device to generate steam from the distilled water and supply the steam from the distilled water to the extraction flask through the bump trap, thereby heating the distillation flask to a temperature of 100°C or higher and 120°C or lower.A method for extracting essential oil of *Vitex rotundifolia* for marine healing, comprising the step of cooling the steam of the *Vitex rotundifolia* extract, which is generated by the steam supplied to the distillation flask and delivered to the steam connector, to obtain the essential oil through the separating funnel. Claim 6 In claim 5, the method for extracting marine healing Vitex essential oil, wherein the above-mentioned Vitex mixture is dried at a temperature of 20°C or higher and 25°C or lower under conditions of 1 atmosphere. Claim 7 A method for extracting essential oil of *Vitex rotundifolia* for marine healing, wherein, in the step of obtaining the essential oil, the essential oil is obtained by at least one of a bottom recovery method in which the essential oil is separated after the condensate is separated, and a top recovery method in which the essential oil is separated above the condensate. Claim 8 A method for extracting essential oil of *Vitex rotundifolia* for marine healing according to claim 7, wherein the time for obtaining the essential oil is 120 minutes or more and 300 minutes or less. Claim 9 Marine healing essential oil of Vitex rotundifolia extracted according to any one of paragraphs 1, 4 through 8.

Images