Extract for prevention and treatment of prostatic diseases and preparation method thereof
A technology of extracts and phytosterols, applied in the field of medicine, can solve the problems of high price, reduced drug efficacy, inconvenient treatment and use of patients, etc., and achieve the effect of low cost and simple preparation method
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Embodiment 1
[0025] Example 1 Take 1000ml of soybean oil deodorization distillate, add 3000ml of absolute ethanol as a reaction solvent, then add 150ml of catalyst sulfuric acid, heat and reflux in a water bath, cool after reacting for 3h, add an appropriate amount of NaOH solution to neutralize to pH=7, transfer to Stand in a liquid funnel for stratification, the upper oil phase is cooled overnight at 4°C, vacuum filtered, the filter cake is melted with fresh solvent, hot filtered to remove impurities, the filtrate is cooled to crystallize at 4°C, and then filtered to obtain crude soybean sterol extraction The crude soybean sterol extract was recrystallized with 15 times acetone, suction filtered, and dried to obtain 41.50 g of the refined soybean sterol extract. The sum of the β-sitosterol and stigmasterol contents determined by GC method was 71.30%.
Embodiment 2
[0026] Embodiment 2 Get 1000ml of soybean oil deodorization distillate, add 5000ml of methanol as reaction solvent, all the other are the same as in Example 1, get 45.24g of refined soybean sterol extract, the sum of β-sitosterol and stigmasterol content measured by GC method is 67.25% .
Embodiment 3
[0027] Embodiment 3 Get 1000ml soybean oil deodorization distillate, use dehydrated alcohol as recrystallization solvent, all the other are the same as embodiment 1, obtain refined soybean sterol extract 37.13g, GC method measures the sum of β-sitosterol, stigmasterol content is 64.56%.
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Abstract
Description
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Application Information
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