Medicine for protecting liver
A liver and pharmaceutical technology, applied in the field of medicine, can solve the problems of separation and identification of unseen flavonoid components
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Embodiment 1
[0044] 1. Compound (I) isolation, preparation and structure confirmation
[0045] Sources of medicinal materials and reagents: ethanol, petroleum ether, ethyl acetate, n-butanol, and dichloromethane are analytically pure, purchased from Shanghai Lingfeng Chemical Reagent Co., Ltd. Methanol, analytically pure, are purchased from Jiangsu Hanbang Chemical Reagent Co., Ltd. Cardamom was purchased from the Traditional Chinese Medicine Market in Bozhou, Anhui Province.
[0046]Preparation method: (a) The dried and mature fruit (8kg) of cardamom is pulverized, extracted with 80% ethanol under heat reflux (25L×3 times), the extracts are combined, concentrated to no alcohol smell (6L), and successively extracted with petroleum ether (6L ×3 times), ethyl acetate (6L×3 times) and water-saturated n-butanol (6L×3 times) were extracted to obtain petroleum ether extract, ethyl acetate extract (355g) and n-butanol extract respectively; (b) In the step (a), the ethyl acetate extract is remove...
Embodiment 2
[0159] A medicine for protecting the liver, which is composed of the above-mentioned kaurane diterpene compound (I), triterpene compound (II) and a pharmaceutically acceptable carrier; (I) is 10%, compound (II) is 30%, and the rest is a pharmaceutically acceptable carrier, that is, 60%.
Embodiment 4
[0161] A medicine for protecting the liver, which is composed of the above-mentioned kaurane diterpene compound (I), triterpene compound (II) and a pharmaceutically acceptable carrier; (I) is 28%, compound (II) is 12%, and the rest is a pharmaceutically acceptable carrier, that is, 60%. The pharmaceutically acceptable carrier is specifically starch.
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