《中国药典》1990年版一部药材炮制通则,较之1985年版作了相应的修改和补充。在净制方面,由 原来的挑选和洗漂,增加了风选、水选、筛选、剪、切、刮削、剔除、刷、擦、碾串及泡洗等方法。在切制方面,增加了切极薄片(0.5mm以下)。这在药品 The 1990 Pharmacopoeia of the Chinese Pharmacopoeia made a general rule for the preparation of medicinal herbs, which was revised and supplemented in comparison with the 1985 edition. In terms of the net system, methods such as winnowing, water selection, screening, cutting, cutting, scraping, culling, brushing, rubbing, stringing, and bubble washing have been increased from the original selection and washing. In terms of cutting, an extremely thin slice (less than 0.5mm) is added. This is in medicine