Isoln from bulbs of the California soap plant, amole: Chlorogalum pomeridianum (DC.) Kunth, Liliaceae: Liang, Noller, J. Am. Chem. Soc. 57, 525 (1935). Chlorogenin occurs in amole as a saponin which kills or stuns fish without rendering them inedible. Structure: Marker, Rohrmann, ibid. 61, 947, 3479 (1939); Marker et al., ibid. 62, 2537, 3006 (1940). On hydrogenation the 3β,6β-isomer (β-chlorogenin) is produced.