(25R)-12α-Hydroxyspirost-4-en-3-one is a minor metabolite produced by the action of Nocardia globerula on Hecogenin.

3-Hydroxybakuchiol exerts cytotoxic and anti-proliferative effects on the TA3/Ha mouse mammary adenocarcinoma cell line and induces a decrease in the mitochondrial transmembrane potential, the activation of caspase-3, the opening of the mitochondrial permeability transport pore (MPTP) and nuclear DNA fragmentation.3-Hydroxybakuchiol has antitumor activity resulting from interactions with the ETC, a system that is already deficient in cancer cells.

Proanthocyanidin A4 (Standard) is the analytical standard of Proanthocyanidin A4. This product is intended for research and analytical applications. Proanthocyanidin A4 is a polyphenol found in a variety of plants. Proanthocyanidin A4 possesses anti-inflammatory effects.