Fitoterapia. 2001 Feb; 72(2): 140-5.

A new oleanane glycoside from the stem bark of Albizia gummifera.

Rukunga GM, Waterman PG.

Kenya Medical Research Institute, Centre for Traditional Medicine and Drug Research, P.O. Box 54840, Nairobi, Kenya. rukunga@yahoo.com

The stem bark of Albizia gummifera has yielded four triterpenes, lupeol, lupenone, vitalboside-A (1) and vitalboside-A 2'-methylglucuronate (2), the last of which appears to be novel.