Resveratrol products resulting by free radical attack |
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Affiliation: | 1. State key Laboratory of Engines, Tianjin University, 92 Weijin Road, Tianjin, China, 300072;2. China Automotive Technology & Research Center, Tianjin, China, 300300 |
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Abstract: | Trans-resveratrol (trans-3,4′,5-trihydroxystilbene; RES), which is contained in red wine and many plants, is one of the most relevant and extensively investigated stilbenes with a broad spectrum of biological activities. Among other duties, RES has been reported to have anti-carcinogenetic activities, which could be attributed to its antioxidant properties. The degradation of RES was studied under various conditions. The products (aldehydes, carboxylic acids, etc.) generated from RES by the attack of free radicals were registered as a function of the radical concentration (absorbed radiation dose). Based on the obtained data it appears that the OH radicals are initiating the rather complicated process, which involves of the numerous consecutive reactions. A possible starting reaction mechanism is presented. |
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