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3β-Hydroxy-urs-11-en-28,13β-olide exhibits weak-moderate antiproliferative activity against the A2780 human ovarian cancer cell line. 3β-Hydroxy-urs-11-en-13β,28-olide shows a potent concentration-independent cytoprotective effect against CCl4-induced injury on human hepatoma cell line?relative to silymarin as a reference standard.

3β-Hydroxyurs-11-en-28,13β-olide (11,12-Dehydroursolic acid lactone) is a triterpenoid that can be found in Fadogia tetraquetra var. tetraquetra[1]. 3β-Hydroxyurs-11-en-28,13β-olide shows antibacterial activity[1].

[1] Mulholland DA, et al. Triterpenoid acids and lactones from the leaves of Fadogia tetraquetra var. tetraquetra (Rubiaceae). Nat Prod Commun. 2011 Nov;6(11):1573-6. PMID:22224262