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175 results about "Fragrance extraction" patented technology

Fragrance extraction refers to the separation process of aromatic compounds from raw materials, using methods such as distillation, solvent extraction, expression, sieving, or enfleurage. The results of the extracts are either essential oils, absolutes, concretes, or butters, depending on the amount of waxes in the extracted product.

Vibrating type tea fragrance extraction screening machine

The invention discloses a vibrating tea aroma screening machine, which comprises a base, a support plate, a top plate, a roller, a cover plate, a first collection box and a second collection box; the left end of the base is fixedly connected with a support plate, and the support plate The top of the top is hinged with a top plate, the lower surface of the top plate is hinged with a telescopic mechanism, the right side wall of the support plate is hinged with a rotating motor, the shaft end of the rotating motor is fixedly connected with a roller, the inner wall of the roller is hinged with an electric heating plate, and the lower surface of the top plate is fixed. A vibration motor is connected, the shaft end of the vibration motor is fixedly connected with a turntable, the surface of the turntable near the edge is fixedly connected with a fixed rod, the fixed rod is connected with a connecting rod in rotation, and the lower end of the connecting rod is hinged with the side wall of the bearing. During the process of enhancing the aroma of tea, the drum rotates to make the tea roll in the drum, so that the tea is heated more evenly and improves the effect of enhancing the aroma; the drum vibrates up and down while rotating, so that the tea is mixed more fully and heated more evenly, further Improve the effect of aromatherapy.
Owner:吴蕴仪

Method for extracting rose essential oil from fresh rose flowers

The invention discloses a method for extracting rose essential oil from fresh rose flowers, which relates to a method for spice extraction, in particular to a method for extracting rose essential oil from fresh rose flowers by using the organic solvent extraction and molecular distillation technology. The method comprises the following steps: carrying out lixiviation on fresh floribunda rose flowers by petroleum ethers, then sequentially carrying out filtration, dewaxing and concentration on the obtained product so as to obtain a first concentrated solution; carrying out lixiviation on the rose flower residues subjected to four times of lixiviation by an equivalent petroleum ether/dichloromethane mixed solvent, then sequentially carrying out filtration, dewaxing and concentration on the obtained product so as to obtain a second concentrated solution; mixing the first concentrated solution with the second concentrated solution, then adding the obtained mixture into a molecular distillation device so as to distill the mixture, thereby removing residual solvents, vegetable waxes, pigments and the like in absolute rose oil, and finally, obtaining the rose essential oil. The prepared rose essential oil is pure in aroma and clear in color and luster, the oil yield of the fresh rose flower reaches 0.1 percent, which is 3.3 times of the oil yield of the fresh rose flower through steam distillation.
Owner:平阴县玫瑰研究所

Method for extracting natural flavor with dimethyl ether

The invention relates to a method for extracting a natural flavor with dimethyl ether, which comprises the following steps: making leaves, fruits, flowers and seeds of aromatic plants into a pulp and freeze-drying the pulp, or cleaning and drying stems, barks and roots of aromatic plants, and pulverizing and granulating; sending the freeze-dried material or pulverized and granulated material into an extraction tank, extracting to obtain an extracting solution by using dimethyl ether as a flavor extracting agent, filtering the extracting solution to remove granular impurities, pumping to an evaporation tank, and separating the extracting solution under reduced pressure with a compressor; and carrying out rough separation on the residues after the separation under reduced pressure, carrying out fine separation with a molecular distillation instrument, and distilling by 2-5 stages to obtain the aromatic essential oil. The invention overcomes the defect of low efficiency in the traditional method and the defect of high cost in the supercritical method; the used dimethyl ether extracting agent is odorless and smellless, so the invention has the advantages of no environment pollution, low price and high extraction efficiency; and the obtained plant essential oil is clear and transparent, contains little wax, and overcomes the defects of high water content, high wax content and high oxidative deterioration tendency in the traditional plant essential oil.
Owner:LANZHOU UNIVERSITY

Technology and equipment for integrating essence and spice extraction and micro-capsule preparation

ActiveCN102041170AEasy to achieve low temperature extractionGood conditionEssential-oils/perfumesSolid solvent extractionFlavorNatural state
The invention relates to a technology and equipment for integrating essence and spice extraction and micro-capsule preparation. The technology comprises the steps that the material containing essence and spice is placed into an extractor; the wall material of a micro-capsule is placed into a separator; the extractor and the separator are sealed; carbon dioxide is pumped into the extractor througha compressor or a high-pressure pump from the storage tank of the carbon dioxide; the essence and the spice are extracted from the carbon dioxide material and placed into the separator; the extractedessence and the spice are fully mixed with the wall material or absorbed with the wall material; the mixture is transferred to a nozzle through the pump; the wall material in the nozzle, the essence and the spice are atomized through high-pressure gas and enter a micro-particle collecting room to form an essence and spice micro-capsule; and the carbon dioxide is circulated back to the storage tank of the carbon dioxide. The invention has the advantages that the technical scheme is coupled with the method for preparing the micro-particle by utilizing supercritical CO2 extraction and improved supercritical fluid preparation so that the low-temperature extraction of the essence and the spice and the microencapsulation at the atmosphere of the carbon dioxide for atomization can be easily realized; and the optimum natural state and the application effect of the essence and the spice are maintained.
Owner:CHINA TOBACCO FUJIAN IND

Black tea autofermentation machine

A black tea autofermentation machine relates to the technical field of tea processing equipment and especially belongs to an autofermentation machine applied in black tea processing and production. The black tea autofermentation machine comprises a machine body and a control device (4). A rotation cage is arranged inside the machine body. A casing is a composite-layer structure and comprises an outer shell, a heat-insulation layer (22) and an inner shell (8) which are arranged from outside to inside. A cavity is formed between the heat-insulation layer and the inner shell. A fermentation auxiliary device and a fragrance extraction auxiliary device are disposed inside the machine body. A CPU input end of the control device is connected with a power supply module, a temperature sensor (13), a humidity sensor (14) and a set value input device. A CPU output end is connected with a display, a built-in fan motor-drive circuit, an external blower fan drive circuit, a rotation cage motor-drive circuit, an electric heater drive circuit and a steam generator. The black tea autofermentation machine operates under the conditions of fixed temperature value, humidity value and time value, has a compact structure, has high automation degree, is convenient and efficient, and has positive effects of reasonable design and strong controllability.
Owner:LINYI JIHONG MACHINERY MFR

Multi-layered tunnel type tea infrared fragrance extracting machine

The invention provides a multi-layered tunnel type tea infrared fragrance extracting machine, consisting of an automatic no-breaking uniform feeding system, an infrared transmitting system, an uninterrupted infrared radiation accurate temperature control system, a stepless speed adjusting multi-layered tea conveying system and a tea cooling system, wherein the infrared transmitting system and thestepless speed adjusting multi-layered tea conveying system are positioned in a tunnel box body; and the uninterrupted infrared radiation accurate temperature control system is arranged above the tunnel box body. In the multi-layered tunnel type tea infrared fragrance extracting machine provided by the invention, automatic no-breaking uniform feeding, uniform heating of the tea, uninterrupted infrared radiation and automatic cooling can be achieved, the temperature control accuracy is less than or equal to + / -2 DEG C, the fragrance extraction time can be controlled accurately, the multi-layered tunnel type tea infrared fragrance extracting machine is mainly used for after treatment of dried tea, the tea enters the fragrance extracting machine by automatic no-breaking uniform feeding, and the infrared ray with a specific wavelength is utilized to carry out treatment on the dried tea under certain time and temperature so as to lead the fragrant ingredients of the tea to generate good transformation, therefore, the quality of the tea is improved and the economic value of the tea is improved.
Owner:TEA RES INST CHINESE ACAD OF AGRI SCI

Tobacco source spice extraction method and application thereof

The invention discloses a tobacco source spice extraction method and application thereof. The method comprises the steps of extracting nonpolar, medium-weak polar, medium polar and strongly polar components. Low-order and waste tobacco source materials are closely related to corresponding cigarette raw materials, homology and homogeneity of tobacco source flavor and cigarette products are achieved, and the method is suitable for actual requirements of perfuming and charging of the cigarette products. Fragrance components in the tobacco source material are extracted by stages, natural flavor which is homologous and homogeneous with cigarettes is provided, the original fragrance of the tobaccos can be increased, the fragrance amount is increased, irritation is relieved, and the quality of the cigarettes is improved. The compound flavor blending of the section flavor raw materials is suitable for blending of all-component tobacco source essence and also suitable for blending of all-component essence of other natural plants. According to the method, tobacco leaf resources are efficiently utilized, the characteristic that the boiling point of a CO2 critical fluid is low is utilized, thepurpose of selectively extracting and separating the tobacco flavor is achieved, waste is reduced, the process is simple and safe, the extraction efficiency is high, aroma substances are comprehensively extracted, the quality is stable, loss of the aroma substances can be avoided, and large-scale production can be achieved.
Owner:CHINA TOBACCO HEBEI INDUSTRIAL CO LTD

Rapid condensing device for extracting flavors and fragrances

The invention discloses a rapid condensing device for extracting flavors and fragrances. The device comprises a stirring box, a hollow rotating shaft is rotatably connected to the top in the stirringbox, hollow plates are uniformly distributed on the side wall of the hollow rotating shaft in the axial direction of the hollow rotating shaft in a communicating mode, a plurality of air outlet holesare uniformly formed in the side walls of the hollow plates, a groove is formed in the upper end of the stirring box, and a first driving mechanism for driving the hollow rotating shaft to rotate is installed on the stirring box. The hot gas generated after high-pressure gas is introduced into a vortex tube enters the hollow rotating shaft through the hot gas tube; in the rotating process of the hollow rotating shaft; the hot gas is continuously sprayed out from the air outlet holes; an essence and flavor stock solution is heated, so that the heating speed of the essence and flavor is increased, the power consumption is reduced, a screw nut drives a scraping ring to continuously slide up and down on the inner wall of the stirring box through the rotation of a reciprocating screw, the residual essence and flavor on the inner wall of a stirring box are cleaned, and the working intensity of staff is reduced.
Owner:江西依思特香料有限公司

Tobacco flavor extraction method

The invention discloses a tobacco flavor extraction method which comprises the following steps: preheating multifunctional steam distillation-dry distillation integrated equipment, and adding a tobacco raw material into a steam distillation-dry distillation device after the temperature is stable; the method comprises the following steps: introducing superheated steam and nitrogen into a steam distillation-dry distillation device together, and heating to increase the steam distillation-dry distillation temperature; collecting distillate of each temperature section according to the temperature; extracting the distillate of each section by using a solvent to obtain extract liquor; and dehydrating the extract liquor, and carrying out rotary evaporation to recover the solvent, thereby obtaining the tobacco flavor for enhancing the aroma of the novel tobacco product. Compared with the conventional common extraction method, the method has the advantages that the original aromatic substances of the tobacco can be extracted, the tobacco flavor with stronger roast fragrance and scorched sweet fragrance can be obtained, the condition is more mild, the product is more easily steamed out along with water vapor, the yield is improved, the problem of scorched smell caused by uneven heating easily occurring in a dry distillation method is avoided, and the method is suitable for industrial production. The method is especially suitable for aroma enhancement of novel tobacco products.
Owner:NANJING FORESTRY UNIV

Preparation method of high-quality tea leaves

The invention discloses a preparation method of high-quality tea leaves. The preparation method comprises the following steps: S1, picking fresh tea leaves: picking fresh tea leaves which are uniformin size and have one bud and one leaf or one bud and two leaves; S2, fresh tea leaf spreading: the picked fresh tea leaves are placed on a bamboo sieve or a bamboo curtain to be aired; S3, withering the tea leaves: spreading the tea leaves on a withering trough, and performing withering for 8-13h so as to obtain fresh leaves with the water content of 50-60%; S4, performing fixation on the tea leaves: putting the fresh leaves obtained in the step S3 into a roller fixation machine, and performing fixation for three times in a low-temperature, high-temperature and low-temperature manner; S5, rolling the tea leaves: putting the tea leaves subjected to fixation into a rolling machine for rolling to obtain rolled leaves; S6, drying the tea leaves, wherein the drying comprises three steps of primary drying, sufficient drying and secondary drying; S7, fragrance extraction of the tea leaves: the dried tea leaves are put into a pot-type roasting machine to be roasted to be fragrant; and S8, screening the tea leaves: spreading the tea leaves obtained in the step S7 for airing and screening, removing damaged leaves and yellow leaves, and screening out fragments, so as to obtain finished tea.
Owner:天方茶业股份有限公司

Essence and flavor extracting equipment convenient to clean

The invention discloses essence and flavor extracting equipment convenient to clean. The essence and flavor extracting equipment comprises a base where a through hole is formed; a plurality of first motors are arranged in the base in an embedded mode, threaded rods are welded to output shafts of the first motors, the threaded rods and the base are rotationally connected in a penetrating mode through bearings, and the threaded rods are in threaded connection with a mounting cover jointly; the upper surface of the base is slidably connected with a squeezing box, and a filter net is inlaid in thebottom wall of the squeezing box; the section of the mounting cover is in a U shaped with a downward opening, and the inner top wall of the mounting cover is fixedly connected with a hydraulic cylinder; and a mounting block is welded to the output end of the hydraulic cylinder, the mounting block is of a hollow structure, and the lower surface of the mounting block is bonded with a squeezing hammer. The essence and flavor extracting equipment has the advantages that a better stirring effect is provided during squeezing to ensure that raw materials on the upper layer can also be squeezed to avoid raw material waste, after squeezing is completed, the squeezing box is more conveniently cleaned, the labor intensity is greatly relieved, and the working efficiency is improved.
Owner:江西依思特香料有限公司

Processing technology of green tea

The invention discloses a processing technology of green tea. The processing technology comprises the following steps: picking tender green tea shoots, and putting the picked tea shoots into a bamboopicking basket; putting the picked tea leaves into a bamboo or pure-wood sun withering leaf cooling tank for cooling of the sun withering leaves; putting the tea leaves after the cooling of the sun withering leaves into a firewood drum machine for de-enzyming; rolling the de-enzymed tea leaves in a rolling machine: rolling gently for 30-35 minutes and then heavily for 16-20 minutes and then gentlyfor 18-22 minutes; putting the rolled tea leaves into a baking machine and manually stirring for drying while rolling for 5-6 times; spreading the dried tea leaves on an indoor bamboo summer sleepingmat for cooling for 2-5 hours; putting the cooled tea leaves into the baking machine and manually turning over the tea leaves for fragrance extraction at 145-155 DEG C; sterilizing the tea leaves after the baking fragrance extraction, and sealing and packaging in bags under the condition of vacuum. According to the processing technology of green tea, the obtained green tea has the advantages of beautiful color, good mouthfeel and enough fragrance, and the quality of the green tea is guaranteed.
Owner:安顺市平坝区十字乡十字村上坝种植场
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