Application of atractylodes macrocephala polysaccharide in preparation of drug for preventing and treating ulcerative colitis
A technology of ulcerative colitis and Atractylodes polysaccharides, applied in the direction of drug combination, antipyretics, anti-inflammatory agents, etc., to achieve the effect of improving blood in the stool, improving the pathological structure of the colon, and increasing body weight
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[0040] The preparation of embodiment 1 Atractylodes macrocephala polysaccharide
[0041] Take 1000g of raw Atractylodes macrocephala, powder it, and pass through a No. 5 sieve. Degrease the powder twice with petroleum ether, add 2L of petroleum ether each time, let it stand at room temperature for 24h, and pour off the supernatant. The residue was placed on a tray, and the petroleum ether was evaporated to dryness at room temperature. Add ethanol (99.7%) to continue degreasing 2 times, add 2L of ethanol each time, heat to reflux for 2h, and pour off the supernatant. The residue was placed on a tray, and the ethanol was evaporated to dryness at room temperature. Add 6 times the amount of pure water to the degreased Atractylodes macrocephala sample, pre-soak for 8 hours, heat and reflux for 2 hours, filter, repeat the extraction 3 times, combine the extracts and centrifuge to remove the precipitate, and the supernatant is concentrated to a certain volume under vacuum. Add 95%...
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