四川越西县产“光菇子”为丽江山慈菇Iphigenia indica的球茎,含秋水仙碱(Colchicine)可达0.33%(1975年6月采收)。今继续对该县当年同一地区7～11月采收品(12月至翌年5月为植株枯萎化苗期,难于采收球茎)进行含量测定,以期对秋水仙碱的生产提供合宜的采收期。关于秋水仙碱的含量测定,据有关资料统计截至1974年已报导有30种不同的方 The light mushroom produced in the Yuexi County of Sichuan is the bulb of the Litsea genus Iphigenia indica, containing up to 0.33% colchicine (collected in June 1975). This year, the determination of colchicine production from July to November in the same area in the same year (December to May of the following year when the plant is withering and phlegm, and it is difficult to harvest bulbs) will be carried out in order to provide appropriate harvesting for the production of colchicine. period. As for the determination of the content of colchicine, according to relevant statistics, there are 30 different parties reported as of 1974.