期刊
FOOD RESEARCH INTERNATIONAL
卷 88, 期 -, 页码 159-165出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.foodres.2016.02.013
关键词
Food matrix; Supplementation; Quercetin sources; Bioavailability; Apple products
The objective of the four-way cross-over pilot study was the investigation of quercetin bioavailability after ingestion of apple quercetin incorporated in different matrices and quercetin dihydrate capsule. Six healthy volunteers were given a standard diet supplemented with 71 mu mol quercetin equivalents from vacuum impregnated apple chips, apple peel extract capsules and apple peel. Quercetin dihydrate capsules were used as control. The vacuum impregnated apple chips were enriched with a quercetin rich apple peel extract. The ingestion of vacuum impregnated apple chips, apple peel extract capsules and apple peel resulted in similar plasma quercetin and plasma total flavonol concentrations compared to the quercetin dihydrate capsule. With regard to the bioavailabilities of all quercetin treatments, a reduced release from vacuum impregnated apple chips can be excluded. The apple peel matrix which is rich in indigestible dietary fibers impacted the profile of the plasma flavonol time curve similar to poor soluble quercetin dihydrate. Finally, the quercetin bioavailability of vacuum impregnated apple chips (AUC(0-1440) nun: 104 +/- 24 mu mol.min.L-1) as functional food was similar to the supplementation with apple peel extract capsules (AUC(0-1440) min: 87 +/- 27 mu mol.min.L-1). (C) 2016 Elsevier Ltd. All rights reserved.
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