Traditional Chinese medicine composition and preparation method thereof
A composition and technology of traditional Chinese medicine, applied in the field of preparing drugs for reducing cancer chemotherapy-related diarrhea, achieving the effects of convenience, high industrial applicability, and good curative effect
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[0035] The first step: preparation of various extracts
[0036] (1) Preparation of Coptidis Pomegranate Peel Concentrated Extract
[0037] According to the compatibility ratio of 1-4:1, take Coptis chinensis and pomegranate peel, soak in distilled water, heat and decoct, filter, add distilled water to the medicine dregs, soak, decoct, and filter in the same way, mix the two filtrates, heat and concentrate, and ultrafilter Membrane filtration, drying under reduced pressure, that is.
[0038] (2) Preparation of berberine
[0039] Coptis rhizome is crushed, add ethanol, heat and reflux in water bath for 0.5h, suction filter, repeat the above operation twice for the filter residue, combine the filtrate, recover ethanol under reduced pressure, then add 1% acetic acid to heat and dissolve, suction filter, add concentrated hydrochloric acid dropwise to the filtrate until cloudy , cooling, that is, the berberine hydrochloride with yellow needles precipitated, suction filtered, washe...
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