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目的对旱田草进行生药学研究。方法鉴别旱田草的性状,并按2010年版《中国药典》附录中的方法测定旱田草的水分、总灰分、酸不溶性灰分、浸出物含量等。结果初步建立了生药学鉴别方法,其水分不得过13.0%,总灰分小于18.0%,酸不溶性灰分低于9.0%,醇溶性浸出物大于13.0%。结论所用方法可为制定旱田草药材质量标准提供参考。
Objective To study the pharmacognosy of dry grass. Methods The characters of dry grass were identified and the contents of water, total ash, acid-insoluble ash and extractives of dry grass were determined according to the appendix of “Chinese Pharmacopoeia” in the 2010 edition. Results The identification method of biopharmaceuticals was initially established. The moisture content should not exceed 13.0%, the total ash content less than 18.0%, the acid-insoluble ash content less than 9.0%, and the alcohol-soluble extract more than 13.0%. Conclusion The method can provide a reference for establishing the quality standard of dry herbs.