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Food Science

Doctoral Dissertations

Anti-inflammation

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Biotransformation Of Resveratrol And Its Implications In Biological Activities In The Colon, Fang Li Nov 2018

Biotransformation Of Resveratrol And Its Implications In Biological Activities In The Colon, Fang Li

Doctoral Dissertations

Resveratrol (RES) is a natural polyphenol compound with a wide range of health-promoting activities, including protective effects against colon cancer and renal disease. However, the premise of these benefits has been dampened since RES shows a poor oral bioavailability due to its rapid and extensive biotransformation after oral consumption. The paradox (low bioavailability but high bioactivity) warrants further investigations to determine the contribution of RES metabolites to the health benefits associated with RES. We identified 11 metabolites of RES in mice with high-resolution HPLC-MS/MS, then quantified two major metabolites - dihydro-resveratrol (DHR) and lunularin (LUN). To further understand the chemopreventative ...


Interaction Between Dietary Components And Gut Microbiota And Its Implication In Bioactivities And Metabolism In Colon, Min Gu Oct 2018

Interaction Between Dietary Components And Gut Microbiota And Its Implication In Bioactivities And Metabolism In Colon, Min Gu

Doctoral Dissertations

The microbial cells that colonize the human body, including mucosal and skin environments, are at least as abundant as our somatic cells and certainly contain far more genes than our human genome. Gut microbiota dysbiosis is associated with the onset and progress of several diseases, like diabetes, obesity, inflammatory bowel disease. One of the environmental factor-diet intervention can modulate the compositions of gut microbiota, which in turn may contribute to altered health outcomes such as changes in the risks of chronic diseases. Orange peel has been a traditional herb in China, and some of its compounds has shown health benefits ...