Anthocyanins are polyphenolics responsible for most red to purple colors in plants. Human consumption is increasing because of their potential health benefits and use as natural colorants. However, their absorption and metabolism are not well characterized. We compared anthocyanin absorption and excretion in rats receiving chokeberry, bilberry or grape enriched diet (4g anthocyanin/kg) for 13 weeks. Traces of anthocyanins and metabolites were detected in plasma. In urine, intact anthocyanins and methylated derivatives (~ 24, 8, 15 mg cy-3-gla equivalent/L urine for chokeberry, bilberry, grape) were found. High metabolite concentration…
Author: He, Jian
Source: University of Maryland
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