27-trans-p-Coumaroyloxyursolic acid and 27-cis-p-coumaroyloxyursolic acid show potent inhibitory activity in the acyl CoA cholesteryl acyl transferase (ACAT) assay.
Uncarinic acid E has anti-cancer activity, it induces apoptosis in HepG2 cells via accumulation of p53, alters the Bax/Bcl-2 ratio, and activates caspases, resulting in cytochrome c release from the mitochondria. A mixture of uncarinic acid E and 27-O-p-(