从假马齿苋 Bacopa monnieri Wettst.甲醇提取物中分离到3个新的苯乙醇苷类化合物 monnieraside Ⅰ～Ⅲ(1～3)和一已知成分plantainoside B(4)。将干燥的该植物地上部分粉碎,用石油醚脱脂,然后用甲醇于室温下提取3次,合并提取物、浓缩,室温静置过夜,过滤。滤液以水 Three new phenylethanoid glycosides monnieraside I-III (1-3) and a known plantainoside B (4) were isolated from the methanol extract of Bacopa monnieri Wettst. The aerial parts of the dried plants were crushed, delipidated with petroleum ether, and then extracted 3 times with methanol at room temperature. The extracts were combined, concentrated, allowed to stand at room temperature overnight, and filtered. Filtrate with water