Studies on the Constituents of "Trichosanthes Root". IV. Constituents of Roots of Trichosanthes multiloba MIQ., Trichosanthes miyagii HAY. and Chinese Crude Drug "Karo-Kon"

A mixture of alpha-spinasterol, stigmast-7-en-3-beta-ol (1) and its 3-O-beta-D-glucopyranoside (2), bryonolic acid (3), 23,24-dihydrocucurbitacin B (4), cucurbitacin B (5), cucurbitacin D (6) were obtained from the fresh roots of Trichosanthes multiloba Miq. (Cucurbitaceae). 1, 2, 4, 5 and 6 were also obtained from the fresh roots of Trichosanthes miyagii Hay. From the chinese crude drug "Karo-Kon", which was considered to be prepared from the roots of Trichosanthes kirilowii Maxim., 1, 2 and 3 were provided.