Method for efficiently extracting rhizoma nardostachyos essential oil and preparing perfume of rhizoma

Abstract

The invention discloses a method for efficiently extracting rhizoma nardostachyos essential oil and preparing perfume from the rhizoma nardostachyos essential oil, and relates to the technical field of perfume extraction and perfume manufacturing. Comprising the following steps: taking fresh or dry roots of rhizoma nardostachyos as raw materials, cleaning, cutting into small sections for subsequent treatment, putting the cut roots of rhizoma nardostachyos into an ultrasonic treatment device, adding a proper amount of water or an organic solvent, and carrying out ultrasonic treatment to improve the permeability of cell walls; the essential oil is extracted through a steam distillation method, the pretreated rhizoma nardostachyos roots are put into a distiller, the distillation temperature is controlled to be 90-100 DEG C, and the distillation time is 3-5 hours. The extraction efficiency and purity of the rhizoma nardostachyos essential oil are remarkably improved through advanced technologies such as ultrasonic pretreatment and supercritical CO2 extraction, energy consumption and environmental pollution are reduced in the whole extraction process, the concept of green production is met, and the perfume prepared from the high-purity rhizoma nardostachyos essential oil is lasting in fragrance, rich in hierarchy and suitable for the high-end perfume market.

Description

Technical Field

[0001] This invention relates to the field of fragrance extraction and perfume manufacturing technology, specifically to a method for efficient extraction of spikenard essential oil and its perfume preparation. Background Technology

[0002] Nardostachys jatamansi is a perennial herb whose roots are rich in various volatile components, possessing a unique aroma and multiple pharmacological effects, including sedation, antidepressant, and antibacterial properties. Due to its high value and rarity, nardostachys jatamansi essential oil is widely used in high-end perfumes and aromatherapy products. However, traditional methods of extracting nardostachys jatamansi essential oil suffer from low extraction efficiency, high cost, and high energy consumption, limiting its large-scale industrial application. Summary of the Invention

[0003] The purpose of this invention is to provide a highly efficient extraction method for spikenard essential oil and a method for preparing perfume from it, so as to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, the present invention provides the following technical solution: a method for efficient extraction of spikenard essential oil, characterized by comprising the following steps:

[0005] Take fresh or dried Nardostachys jatamansi roots as raw materials, clean them and cut them into small sections for subsequent processing. Put the cut Nardostachys jatamansi roots into an ultrasonic treatment device, add an appropriate amount of water or organic solvent, and perform ultrasonic treatment to improve the permeability of the cell wall.

[0006] The essential oil is extracted by steam distillation. The pretreated Nardostachys jatamansi root is placed in a still, and the distillation temperature is controlled between 90-100 degrees Celsius for 3-5 hours.

[0007] The essential oil was extracted by supercritical CO2 extraction. The pretreated Nardostachys jatamansi root was placed in a supercritical CO2 extraction device, and the extraction pressure was set to 20-30 MPa, the temperature to 35-45 degrees Celsius, and the extraction time to 1-3 hours.

[0008] The extracted essential oil is centrifuged to remove impurities, and then further purified by molecular distillation or vacuum distillation to obtain high-purity spikenard essential oil.

[0009] As a specific embodiment of the technical solution of this application, the ultrasonic treatment time is preferably 10-30 minutes.

[0010] As a specific embodiment of the technical solution of this application, in the steam distillation method, the preferred distillation temperature is 95 degrees Celsius and the distillation time is 4 hours.

[0011] As a specific embodiment of the technical solution of this application, in the supercritical CO2 extraction method, the extraction pressure is preferably 25 MPa, the temperature is preferably 40°C, and the extraction time is preferably 2 hours.

[0012] As a specific embodiment of the technical solution of this application, in the separation and purification steps, the temperature of molecular distillation or vacuum distillation is controlled at 40-60 degrees Celsius.

[0013] A method for preparing a perfume, comprising the following steps:

[0014] Use spikenard essential oil as the base fragrance, mix it with other fragrances, add an appropriate amount of alcohol, and stir thoroughly to completely dissolve the fragrances;

[0015] Filter the mixed perfume liquid through filter paper or a filter screen to remove insoluble impurities, and let it stand for a period of time to allow it to clarify naturally.

[0016] The clarified perfume liquid is then bottled into spray bottles or glass bottles, sealed, and labeled to complete the perfume preparation.

[0017] As a specific embodiment of the technical solution of this application, the ratio of spikenard essential oil to other fragrances is 1:1 to 1:10.

[0018] As a specific embodiment of the technical solution of this application, the alcohol used in the mixing and dissolving steps is 90% to 95% ethanol.

[0019] As a specific embodiment of the technical solution of this application, the settling time in the filtering and clarification step is 1-3 days.

[0020] As a specific solution of the technical solution of this application, in the filling and guaranteeing step, the filling temperature of the perfume liquid is controlled at 15-25 degrees Celsius.

[0021] Compared with the prior art, the beneficial effects of the present invention are:

[0022] This highly efficient extraction method for spikenard oil and its perfume preparation significantly improves the extraction efficiency and purity of spikenard oil through advanced technologies such as ultrasonic pretreatment and supercritical CO2 extraction. The entire extraction process reduces energy consumption and environmental pollution, conforming to the concept of green production. Perfumes prepared using high-purity spikenard oil have a long-lasting and rich aroma, making them suitable for the high-end perfume market. Detailed Implementation

[0023] The technical solutions in the embodiments of the present invention will be clearly and completely described below. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0024] It should be noted that in the description of this invention, the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", and "outer" indicate the orientation or positional relationship only for the convenience of describing this invention and simplifying the description. They do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this invention.

[0025] Furthermore, it should be understood that, for ease of description, the dimensions of the various components are not drawn to actual proportions; for example, the thickness or width of some layers may be exaggerated relative to other layers.

[0026] It should be noted that similar labels and letters indicate similar items; therefore, once an item is defined or described, it will not need to be discussed or described in detail in subsequent descriptions.

[0027] Example 1: A method for efficient extraction of spikenard essential oil, comprising the following steps:

[0028] Select fresh Nardostachys jatamansi roots, wash them thoroughly, and cut them into 1-2 cm long pieces.

[0029] Place the roots of Nardostachys jatamansi into an ultrasonic treatment device, add water and ethanol in a 1:1 ratio, and perform ultrasonic treatment for 20 minutes.

[0030] The pretreated Nardostachys jatamansi roots were placed in a distiller and the distillation temperature was controlled at 95 degrees Celsius for 4 hours.

[0031] The pretreated roots of Nardostachys jatamansi were placed in a supercritical CO2 extraction device, and the extraction pressure was set to 25 MPa, the temperature to 40 degrees Celsius, and the extraction time to 2 hours.

[0032] The extracted essential oil is centrifuged to remove impurities, and then further purified by molecular distillation at a temperature controlled at 50 degrees Celsius.

[0033] Example 2: Perfume Preparation:

[0034] The ratio of spikenard essential oil to neroli oil, rose oil, and vanilla essential oil is 1:5.

[0035] Mix spikenard oil with other spices, add 95% ethanol, and stir thoroughly until the spices are completely dissolved.

[0036] Filter the mixed perfume liquid through filter paper to remove insoluble impurities, and let it stand for 2 days to allow it to clarify naturally.

[0037] The clarified perfume liquid is filled into spray bottles at a temperature controlled at 20 degrees Celsius, sealed, and labeled.

[0038] Example 3: Extraction of spikenard essential oil;

[0039] Clean the dried Nardostachys jatamansi roots and cut them into 1-2 cm long pieces.

[0040] Place the roots of Nardostachys jatamansi into an ultrasonic treatment device, add pure water, and perform ultrasonic treatment for 15 minutes.

[0041] The pretreated Nardostachys jatamansi roots were placed in a distiller and the distillation temperature was controlled at 90°C for 3 hours.

[0042] The pretreated Nardostachys jatamansi roots were placed in a supercritical CO2 extraction device, and the extraction pressure was set to 20 MPa, the temperature to 35°C, and the extraction time to 1 hour.

[0043] The extracted essential oil is centrifuged to remove impurities, and then further purified by vacuum distillation at a temperature controlled at 40°C.

[0044] Example 4: Perfume Preparation:

[0045] The ratio of spikenard essential oil to lavender oil, jasmine oil, and cedarwood oil is 1:8.

[0046] Mix spikenard oil with other spices, add 90% ethanol, and stir thoroughly until the spices are completely dissolved.

[0047] Filter the mixed perfume liquid through a filter to remove insoluble impurities, and let it stand for 1 day to allow it to clarify naturally.

[0048] The clarified perfume liquid is filled into glass bottles at a filling temperature of 15°C, sealed, and labeled.

[0049] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended embodiments and their equivalents.

Claims

1. A method for efficient extraction of spikenard essential oil, characterized in that, Includes the following steps: Take fresh or dried Nardostachys jatamansi roots as raw materials, clean them and cut them into small sections for subsequent processing. Put the cut Nardostachys jatamansi roots into an ultrasonic treatment device, add an appropriate amount of water or organic solvent, and perform ultrasonic treatment to improve the permeability of the cell wall. The essential oil is extracted by steam distillation. The pretreated Nardostachys jatamansi root is placed in a still, and the distillation temperature is controlled between 90-100 degrees Celsius for 3-5 hours. The essential oil was extracted by supercritical CO2 extraction. The pretreated Nardostachys jatamansi root was placed in a supercritical CO2 extraction device, and the extraction pressure was set to 20-30 MPa, the temperature to 35-45 degrees Celsius, and the extraction time to 1-3 hours. The extracted essential oil is centrifuged to remove impurities, and then further purified by molecular distillation or vacuum distillation to obtain high-purity spikenard essential oil.

2. The method for efficient extraction of spikenard essential oil according to claim 1, characterized in that: The preferred duration of the ultrasonic treatment is 10-30 minutes.

3. The method for efficient extraction of spikenard essential oil according to claim 1, characterized in that: In the steam distillation method, the preferred distillation temperature is 95 degrees Celsius, and the distillation time is 4 hours.

4. The method for efficient extraction of spikenard essential oil according to claim 1, characterized in that: In the supercritical CO2 extraction method, the preferred extraction pressure is 25 MPa, the preferred temperature is 40°C, and the preferred extraction time is 2 hours.

5. The method for efficient extraction of spikenard essential oil according to claim 1, characterized in that: In the separation and purification steps, the temperature of molecular distillation or vacuum distillation is controlled at 40-60 degrees Celsius.

6. A method for preparing perfume, characterized in that: The process includes the following steps: Use spikenard essential oil as the base fragrance, mix it with other fragrances, add an appropriate amount of alcohol, and stir thoroughly to completely dissolve the fragrances; Filter the mixed perfume liquid through filter paper or a filter screen to remove insoluble impurities, and let it stand for a period of time to allow it to clarify naturally. The clarified perfume liquid is then bottled into spray bottles or glass bottles, sealed, and labeled to complete the perfume preparation.

7. A perfume preparation method according to claim 6, characterized in that: The ratio of spikenard oil to other spices is 1:1 to 1:

10.

8. A perfume preparation method according to claim 6, characterized in that: In the mixing and dissolving steps, the alcohol used is 90% to 95% ethanol.

9. A perfume preparation method according to claim 6, characterized in that: In the filtration and clarification steps, the settling time is 1-3 days.

10. A perfume preparation method according to claim 6, characterized in that: During the filling and guaranteeing process, the filling temperature of the perfume liquid is controlled at 15-25 degrees Celsius.