市场使用的川贝时有发现隔年旧货，当年川贝和隔年川贝在外观上和质地上都存在着显著的差别，究竟隔年川贝在临床上使用是否影响疗效？本人对当年川贝和隔年川贝以及隔年川贝的不同保存方法，进行了外观比较和总生物碱含量测定。现报道如下。1．取样：取新上市的同一产地，同一 The use of Chuanbei in the market has been found in old and new products every year. There was a significant difference in the appearance and texture of Chuanbei and Chuanbei of that year. Does the use of Chuanbei every other year affect clinical efficacy? I performed a comparison of the appearance and total alkaloid content of different preservation methods for Chuanbei and Chuanbei, and Chuanbei. The report is as follows. 1. Sampling: Take the same origin of new listing, same