Multiflorane triterpenoid esters from pumpkin. An unexpected extrafolic source of PABA*1
摘要:
The seeds of pumpkin and squash contain relatively large amounts of two multiflorane triterpenoids (1a, 2a) esterified with PABA, a folic acid constituent found for the first time in secondary plant metabolites. (C) 1999 Elsevier Science Ltd. All rights reserved.