為常用中藥。始載于《神農(nóng)本草經(jīng)》,列為上品。春、秋二季皆可采收。以秋季采者質(zhì)堅(jiān),體重,粉性大,質(zhì)量較佳。春季因經(jīng)冬凍春化,草身發(fā)糠,粉性小,品質(zhì)較次。按產(chǎn)地分有西草、東草兩類;西草皮紅,粉性大,質(zhì)優(yōu);東草皮灰褐,粉性小 (共 801 字) [閱讀本文] >>
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 為常用中藥。始載于《神農(nóng)本草經(jīng)》,列為上品。春、秋二季皆可采收。以秋季采者質(zhì)堅(jiān),體重,粉性大,質(zhì)量較佳。春季因經(jīng)冬凍春化,草身發(fā)糠,粉性小,品質(zhì)較次。按產(chǎn)地分有西草、東草兩類;西草皮紅,粉性大,質(zhì)優(yōu);東草皮灰褐,粉性小 (共 801 字) [閱讀本文] >>