trans-3,4′,5-Trihydroxystilbene

Off-white solid. PROTECT FROM LIGHT. PACKAGED UNDER INERT GAS. A phenolic product found in both grape skins and wines. Has antifungal, antitumor, and antioxidative properties. A specific inhibitor of cyclooxygenase-1 (COX-1; ED₅₀ = 15 µM). Also inhibits the hydroxyperoxidase activity of COX-1 (ED₅₀ = 3.7 µM). Strongly inhibits insoluble transthyretin (TTR) amyloid fibril formation. Inhibits phorbol ester-induced free radical formation in HL-60 cells (ED₅₀ = 27 µM) and acts as an anti-mutagenic agent (ED₅₀ = 15 µM) in TM677 cells treated with DMBA. Also a selective inhibitor of P450 1A1. Reported to activate sirtuins and promote the survival of eukaryotic cells. Purity: ≥98% by TLC. CAS 501-36-0.

Merck Index: 14, 8158
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