Bioaccessibility of carotenoids and antioxidant capacity of seed-used pumpkin byproducts powders as affected by particle size and corn oil during in vitro digestion process

文献类型： 外文期刊

第一作者： Lyu, Ying

作者： Lyu, Ying;Bi, Jinfeng;Chen, Qinqin;Wu, Xinye;Qiao, Yening;Hou, Haonan;Zhang, Xing;Lyu, Ying;Bi, Jinfeng

作者机构：

关键词： Seed-used pumpkin powders; Particle size; In vitro digestion; Carotenoids contents; Antioxidant capacity

期刊名称：FOOD CHEMISTRY （ 影响因子：7.514； 五年影响因子：7.516 ）

ISSN： 0308-8146

年卷期： 2021 年 343 卷

页码：

收录情况： SCI

摘要： Powders made from seed-used pumpkin flesh (SUPF) are potential sources of carotenoids. In this study, unexplored effects of particle size and corn oil on bioaccessible amounts of carotenoids and antioxidant capacity of SUPF powders during in vitro digestion process were investigated. Overall, total carotenoid relative bioaccessibility (TCRB) of 100 mesh-sized powder (100 MP, 15.46%) was higher than that of 18 mesh-sized powder (18 MP, 12.94%). With the addition of 2% corn oil, TCRB increased 108.35% (18 MP) and 88.55% (100 MP), respectively. Lutein (27160 mu g/100 g) and beta-carotene (>5192 mu g/100 g) were main carotenoid monomers in SUPF and significantly correlated with DPPH radical scavenging activity of digestive supernatant (p < 0.05). Notably, DPPH radical scavenging activity of 18 MP increased 96.54% with corn oil. These results implied that smaller particle size and oil addition could improve bioaccessible amounts of carotenoids and antioxidant capacity of SUPF powders.

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