Extraction method of pseudo-ginseng oil
An extraction method, Tianqi's technology, applied in the field of veterinary medicine, can solve the problems of endangering human health, residues, unfavorable consumption of animal by-products, etc., and achieve the effects of easy control of the reaction process, low production cost, and good product quality
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Embodiment 1
[0019] A kind of extracting method of Tian Qi oil, the step of its extracting method is:
[0020] (1) Pre-extraction treatment: Weigh a certain amount of rhizome of Tianqi, put it into the grinder for super grinding, and obtain the grinding material A, and set it aside;
[0021] (2) Initial extraction: add ethyl acetate, just submerge the grinding material A obtained in step (1), select the extraction temperature as 35°C, the extraction pressure as 10MPa, the extraction time as 30min, and the flow rate of carbon dioxide as 10L / h to obtain the extraction Liquid B, spare;
[0022] (3) Alkalinization: Extract the extract B obtained in step (2) with 0.25% sodium hydroxide solution at a concentration of 1 times for 3 consecutive extractions, collect the oily liquid in the upper layer to obtain oily liquid C, and set aside;
[0023] (4) Acidification: Add 2 times the amount of 2mol / L hydrochloric acid dropwise to the oily liquid C obtained in step (3) for acidification until the bl...
Embodiment 2
[0026] A kind of extracting method of Tian Qi oil, the step of its extracting method is:
[0027] (1) Pre-extraction treatment: Weigh a certain amount of rhizome of Tianqi, put it into the grinder for super grinding, and obtain the grinding material A, and set it aside;
[0028] (2) Initial extraction: add ethyl acetate, just submerge the grinding material A obtained in step (1), select the extraction temperature as 75°C, the extraction pressure as 20MPa, the extraction time as 70min, and the flow rate of carbon dioxide as 20L / h to obtain the extraction Liquid B, spare;
[0029] (3) Alkalinization: Extract the extract B obtained in step (2) with 3 times the concentration of 5% sodium hydroxide solution for 3 consecutive extractions, collect the oily liquid in the upper layer to obtain oily liquid C, and set aside;
[0030] (4) Acidification: Add 4 times the amount of 5mol / L hydrochloric acid dropwise to the oily liquid C obtained in step (3) for acidification until the blue l...
Embodiment 3
[0033] A kind of extracting method of Tian Qi oil, the step of its extracting method is:
[0034] (1) Pre-extraction treatment: Weigh a certain amount of rhizome of Tianqi, put it into the grinder for super grinding, and obtain the grinding material A, and set it aside;
[0035] (2) Initial extraction: add ethyl acetate, just submerge the grinding material A obtained in step (1), select the extraction temperature as 100°C, the extraction pressure as 30MPa, the extraction time as 100min, and the flow rate of carbon dioxide as 30L / h to obtain the extraction Liquid B, spare;
[0036] (3) Alkalinization: Extract the extract B obtained in step (2) with 6 times the concentration of 10% sodium hydroxide solution for 3 times, collect the oily liquid in the upper layer to obtain oily liquid C, and set aside;
[0037] (4) Acidification: Add 5 times the amount of 8mol / L hydrochloric acid dropwise to the oily liquid C obtained in step (3) for acidification until the blue litmus paper bec...
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