Traditional Chinese medicine extract
A technology of extracts and natural medicines, used in drug combinations, antitumor drugs, pharmaceutical formulations, etc., to achieve the effects of good side effects, increased inhibitory effects, and obvious synergies
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[0030] The first step: preparation of various extracts
[0031] (1) Preparation of Coptidis Artemisiae Folium Decoction Concentrated Extract
[0032] According to the compatibility ratio of 1:1 or other ratios of 1-5:1, take Coptis chinensis and Artemisia argyi leaves, add 10 times the amount of distilled water, soak for 1 hour, heat and decoct on an electric stove with asbestos net for 1 hour, filter with silk cloth, save the filtrate, and Add 6 times distilled water to the slag, soak, decoct, and filter in the same way, mix the two filtrates, heat and concentrate to a small volume, filter with an ultrafiltration membrane, and dry under reduced pressure in a vacuum oven at 70°C for 36 hours to obtain a yellow powder.
[0033] (2) preparation of berberine
[0034] 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, ...
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