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Resveratrol (3,5,4′-trihydroxy-trans-stilbene) is a stilbenoid, a type of natural phenol, and a phytoalexin produced by several plants in response to injury or when the plant is under attack by pathogens such as bacteria or fungi.
R 1259 (OTTO) Resveratrol, 98%+ Cas no 501-36-0 - used extensively in stem cell studies to enhance self-renewal and multipotency of mesencymal stem cells (MSCs) in vitro.