Clair G, Drapier-Laprade D, Paris R R
C R Acad Hebd Seances Acad Sci D. 1976 Sep 20;283(5):503-6.
Distribution and content of alkaloids have been studied in each organ of different Atropa Belladonna varieties. Same tropeins are present in every organ. Their increase, baucoup of hyoscyamin, is observed during plant growth; and in later stages some compounds such as apoatropin appear.
已对不同品种颠茄各器官中的生物碱分布和含量进行了研究。每个器官中都存在相同的托品。在植物生长过程中观察到它们的增加，即大量的莨菪碱；在后期会出现一些化合物，如阿扑阿托品。
