Chromatographic separation of EtOH extracts of the stems of Derris scandens has yielded six new diprenylisoflavones, named derrisisoflavones A-F, together with six known isoflavones. Their structures were elucidated by spectroscopic analyses. The ...
YH Kuo   F Ikegami   F Lambein   
PHYTOCHEMISTRY 49(1) 43-48 1998年9月
BIA, beta-(isoxazolin-5-on-2-yl)-alanine, is formed in high concentrations in the seedling stage of many plants belonging to the tribe Vicieae. The metabolism of this compound in different legume seedlings has been studied by radioisotope feeding....