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《中国药典》1990年版规定虎杖的炮制方法是除去杂质、洗净、润透,切厚片,干燥。就这种炮制方法来说,有两个问题: 1.前后重复。《药典》在开头已经阐明,春、秋二季采挖,除去须根,洗净,趁鲜切短段或厚片晒干。《药典》规定,短段在10mm左右,厚片在2～4mm左右,既然在产地已趁鲜加工为短段或厚片,方法中就不应再写切厚片了。
The 1990 edition of the Chinese Pharmacopoeia stipulates that the processing method of Polygonum cuspidatum is to remove impurities, wash, moisten, cut thick slices, and dry. There are two problems with this method of processing: 1. Repeat before and after. The Pharmacopoeia has already stated at the beginning that the spring and autumn seasons should be excavated to remove fibrous roots, washed, dried and cut into short pieces or thick slices to dry. The Pharmacopoeia stipulates that the short section should be about 10mm, and the thick piece should be about 2 to 4mm. Since the production area has already been processed into short sections or thick slices, the method should not be used to write thick slices.