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Yarrow Essential Oil Extraction Method and Its Benefits for the Liver

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The extraction method of yarrow essential oil, characterized in that: the steps are as follows:

(1) Spray a carrier agent accounting for 0.3-0.5% of the weight of fresh yarrow flowers into the fresh yarrow flowers, then add the fresh yarrow flowers into an extraction vessel, and carry out continuous cyclic extraction with a supercritical carbon dioxide fluid, controlling the extraction vessel temperature at 35-40 degrees C, the extraction pressure at 18-22MPa, the flow rate at 16-18kg/h, and the extraction time at 2-4h; the carrier agent is composed of the following components in parts by mass: 68-72 parts ethanol, 0.2-0.4 parts ethyl acetate, 0.4-0.6 parts n-hexane;

(2) Feed the extracted carbon dioxide fluid into a separator for separation, with the carbon dioxide fluid flow rate at 12-15kg/h, the separator pressure at 6-7MPa, and the temperature at 38-42 degrees C, extracting for 1.5-2.5h, discharging the extract from the bottom of the separator, and after standing, obtaining yarrow essential oil through oil-water separation.

2. The method according to claim 1, characterized in that: the steps are as follows:

(1) Spray a carrier agent accounting for 0.5% of the weight of fresh yarrow flowers into the fresh yarrow flowers, then add the fresh yarrow flowers into an extraction vessel, and carry out continuous cyclic extraction with a supercritical carbon dioxide fluid, controlling the extraction vessel temperature at 38 degrees C, the extraction pressure at 20MPa, the flow rate at 17kg/h, and the extraction time at 3h; the carrier agent is composed of the following components in parts by mass: 70 parts ethanol, 0.3 parts ethyl acetate, 0.5 parts n-hexane;

(2) Feed the extracted carbon dioxide fluid into a separator for separation, with the carbon dioxide fluid flow rate at 12kg/h, the separator pressure at 6.5MPa, and the temperature at 42 degrees C, extracting for 2h, discharging the extract from the bottom of the separator, and after standing, obtaining yarrow essential oil through oil-water separation.


What benefits does yarrow have for the liver

It is a holistic tonic, because yarrow can directly affect the bone marrow and promote blood renewal. It can be called a tonic for the vascular system, and can improve some circulation problems, such as varicose veins, hemorrhoids, and so on.



It stimulates glandular secretion in the stomach and intestines, thereby improving sluggish digestive function. It balances the nerves that affect the digestive system, promotes gastrointestinal absorption and the secretion of digestive juices, and helps with colic and flatulence. It stimulates bile secretion to break down and digest fats, and can also stimulate appetite. Its astringent properties help stop diarrhea.
It can be used for febrile colds and headaches during colds, clearing the sweat glands and increasing perspiration, thereby achieving a purifying and cooling effect.



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