Natural pharmaceutical composition and preparation method thereof
A technology of natural medicines and compositions, applied in the directions of drug combinations, pharmaceutical formulations, antitumor drugs, etc., can solve problems such as malnutrition, dehydration of patients, acid-base balance disorders, etc., and achieve high industrial practicability, convenient access, and synergistic effects. obvious effect
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[0031] The first step: preparation of various extracts
[0032] (1) Preparation of Coptidis Radix Seeds Decoction Concentrated Extract
[0033] According to the compatibility ratio of 1-4:1, take coptis and radish seeds, soak in distilled water, heat and decoct, filter, add distilled water to the 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.
[0034] (2) Preparation of berberine
[0035] 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, washed twice with ice w...
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