Silybin B, a flavonolignan separated from Silybum marianum, has anti-tumor activity. Silybin B is the most potent antifibrillogenic and anti-oligomeric component of silymarin and proposes it as a promising anti Alzheimer's disease drug candidate[1][2].
[1]. An-Shen Lin, et al. Cancer Preventive Agents. 7. Antitumor-Promoting Effects of Seven Active Flavonolignans from Milk Thistle (Silybum marianum.) on Epstein-Barr Virus Activation, Pharmaceutical Biology, 45:10, 735-738. [2]. Sciacca MFM, et al. Inhibition of Aβ Amyloid Growth and Toxicity by Silybins: The Crucial Role of Stereochemistry. ACS Chem Neurosci. 2017 Aug 16;8(8):1767-1778.