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Product name: Resveratrol CAS no:501-36-0 Molecular Formula: C14H12O3 Test Methold: HPLC Resveratrol is a non-flavonoid polyphenolic compound that is an antitoxin produced by many plants when stimulated. It can be synthesized in grape leaves and grape skins, and is a biologically active ingredient in wine and grape juice. It is easily absorbed orally and excreted in urine and feces after metabolism. There are also synthetic high quality of resveratrol. Item Source Test Method