Blood lipid reducing composition containing phytosterol and preparation method of composition
A technology of phytosterol and composition, applied in the field of traditional Chinese medicine, can solve the problems of high price of statins, increase the economic burden of patients, gastrointestinal adverse reactions, etc. Effect
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Embodiment 1
[0061] (1) Sterol extraction
[0062] The raw material is dried, pulverized, heated with petroleum ether or / and ethyl acetate to reflux at 56°C for extraction, and the extract is concentrated under reduced pressure to obtain an extract (containing 40% solute); the resulting concentrated extract is put on a chromatography column of equal weight silica gel, First use petroleum ether: ethyl acetate=95:5 as mobile phase to obtain eluent I, then change petroleum ether: ethyl acetate=85:15 as mobile phase, flow rate 2BV / h, obtain eluent II; Deliquification II Atmospheric distillation and concentration, when concentrated to crystallization, put the liquid into the crystallization container, cool down for 2 hours, filter the crude crystal product, and recover the solvent; use petroleum ether:ethyl acetate=85:15 mixed solvent for the crude crystal product Heat to dissolve, filter, concentrate the filtrate until crystals precipitate out, put the liquid into the crystallization container...
Embodiment 2
[0067] (1) Sterol extraction
[0068] The raw materials are dried, pulverized, heated with petroleum ether or / and ethyl acetate at 70°C for reflux extraction, and the extract is concentrated under reduced pressure to obtain an extract (containing 40% solute); the resulting concentrated extract is put on a chromatography column of equal weight silica gel, First use petroleum ether: ethyl acetate=95:5 as mobile phase, obtain eluent I, then change petroleum ether: ethyl acetate=85:15 as mobile phase, flow velocity 0.2BV / h obtains eluent II; Deliquification II Atmospheric distillation and concentration, when concentrated to crystallization, put the liquid into the crystallization container, cool down for 2 hours, filter the crude crystal product, and recover the solvent; use petroleum ether:ethyl acetate=85:15 mixed solvent for the crude crystal product Heat to dissolve, filter, concentrate the filtrate until crystals precipitate out, put the liquid into the crystallization contai...
Embodiment 3
[0073] (1) Sterol extraction
[0074] The raw material is dried, pulverized, and petroleum ether or / and ethyl acetate is heated to reflux at 60°C for extraction, and the extract is concentrated under reduced pressure to obtain an extract (containing 45% solute); First use petroleum ether: ethyl acetate=95:5 as mobile phase to obtain eluent I, then change petroleum ether: ethyl acetate=85:15 as mobile phase, flow rate 2BV / h, obtain eluent II; Deliquification II Atmospheric distillation and concentration, when concentrated to crystallization, put the liquid into the crystallization container, cool down for 2 hours, filter the crude crystal product, and recover the solvent; use petroleum ether:ethyl acetate=85:15 mixed solvent for the crude crystal product Heat to dissolve, filter, concentrate the filtrate until crystals precipitate out, put the liquid into the crystallization container, cool down for 2 hours, and filter to obtain the crystallization product. After testing, the ...
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