Raspberry essential oil is a kind of natural plant essential oil with various effects and functions, rich in natural substances, can produce multiple benefits to the human body, and also has certain medicinal value. It can promote metabolism, beauty, soothe the nerves, antibacterial and anti-inflammatory.
There are two common extraction methods for raspberry essential oil:
1. Water vapor distillationWater vapor distillation is a commonly used method for extracting essential oils from plants, with a large volume of distillation equipment, and simple operation and low cost. This method is suitable for volatile, can be vaporized with water vapor without being destroyed, and water does not react, and difficult to dissolve in water for the extraction of active ingredients.
Fresh or dried aromatic plant materials into the distiller, add water to heat together, under the action of steam, the essential oils in the plant components and water vapor evaporation, containing essential oils of the water vapor collected by the conduit after cooling the steam will be cooled into a liquid, and then in accordance with the difference in the density of the water and the essential oils are separated out. Using the essential oil components volatile, insoluble in water and do not react with water characteristics, condensation collection, and ultimately get the essential oil.
The distillation process needs to pay attention to control the temperature and time to ensure that only the pure aroma of raspberries extracted components.
2. Solvent extraction methodOrganic solvent extraction method is the use of volatile organic solvents, continuous reflux extraction or cold immersion, hot immersion extraction, etc. will dissolve the plant components, and then through the distillation of the extracted liquid or decompression distillation to remove the solvent can be obtained crude essential oil. The solvent extraction method is used to extract natural flavors from plant materials, and the yield of flavors obtained by this method is significantly increased.
Generally, the solvent and plant material into the extractor mixed extraction, so that the volatile substances dissolved in the solvent; and then filtered; subsequently, evaporation and concentration of the solvent to get the filtrate, the concentrate is called extract (wax, a mixture of essential oils); the extract will be dissolved in ethanol, low-temperature filtration to remove impurities; and finally, evaporation of ethanol to get the essential oil.
The following is a detailed description of the preparation process of raspberry essential oil.
1. Pick ripe raspberries: Pick raspberries when they are ripe, clean and dry them.
2. Cutting and crushing raspberries: Put the raspberries into a pulverizer or blender, add a small amount of water, and grind the raspberries into a puree.
3. Distillation extraction: put the raspberry puree into the distiller, add appropriate amount of water, distillation extraction. The extracted liquid contains raspberry essential oil.
4. Separation and extraction: put the extracted liquid into the separating funnel, add the appropriate amount of alcohol, the raspberry essential oil and water to leave.
5. Refinement of raspberry essential oil: The separated raspberry essential oil is put into a distiller, heated to the appropriate temperature, and the impurities and water are removed to obtain pure raspberry essential oil.
In the process of preparing raspberry essential oil, you need to use high-quality raspberries and other raw materials, to master certain preparation skills and operating methods, at the same time, high-quality and professional essential oil extraction equipment is also essential.
Wenzhou Jinbang Light Industry Machinery Co., Ltd. of the new multi-function stainless steel extraction tank: a variety of styles and specifications, according to customer needs tailored solutions, factory direct sales, low temperature automatic extraction, high efficiency and high quality, professional manufacturers, 30 years of research and development experience, won the praise of customers.Product Overview:The extraction tank is filled with solvent, soaked and then heated by jacketed steam. Tank liquid boiling, according to the boiling point of each solvent is different, the beginning, the low-boiling component first boil into a secondary vapor through condensation, cooling to the oil-water separation, can be determined according to the process whether to reflux or discharge. The oil-water separator utilizes the different densities of oil and water to stratify the upper and lower layers, so as to obtain the volatile oil. In addition, due to the heating process, there is a concentration difference between the upper, middle and lower part of the liquid in the main tank, so that the liquid can be recycled from the bottom of the main tank through the filter and the pump back to the upper part of the main tank, realizing dynamic extraction.
This equipment is suitable for pharmaceutical, biological, beverage, food, chemical and other industries, plants, animals, atmospheric pressure, pressurization, decoction, warm immersion, thermal reflux, forced circulation, percolation, aromatic oil extraction and organic solvent recovery and other process operations, especially the use of dynamic extraction or multi-canister countercurrent extraction better, shorter time, high content of the liquid. Equipped with tanks equipped with CIP cleaning automatic rotary spraying ball, temperature gauge, pressure gauge, explosion-proof sight hole lamps, sight glass, quick-open feeding port, etc., to ensure easy operation, in line with GMP standards.
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