制何首乌
【英文名】 RADIX POLYGONI MULTIFLORI PREPARATA
【来源】 本品为
【性状】 本品为不规则皱缩状的块片,厚约1cm。表面黑褐色或棕褐色,凹凸不平。质坚硬,断面角质样,棕褐色或黑色。气微,味微甘而苦涩。
【鉴别】 照何首乌项下的[鉴别](2) 项试验,显相同的结果。
【炮制】 取何首乌片或块,照炖法(附录Ⅱ D)用黑豆汁拌匀,置非铁质的适宜容器内,炖至汁液吸尽;或照蒸法(附录Ⅱ D),清蒸或用黑豆汁拌匀后蒸,蒸至内外均呈棕褐色,或晒至半干,切片,干燥。每100kg何首乌片(块) ,用黑豆10kg。
黑豆汁制法 取黑豆10kg,加水适量,煮约 4小时,熬汁约15kg,豆渣再加水煮约3 小时,熬汁约10kg,合并得黑豆汁约25kg。
【性味】 苦、甘、涩,温。
【归经】 归肝、心、肾经。
【用法用量】 6~12g。
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【贮藏】 置干燥处,防蛀。
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