期刊
FOOD CHEMISTRY
卷 334, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2020.127526
关键词
Blueberry anthocyanins; Casein; Protective effect; Cellular antioxidant activity assay (CAA); Simulated digestion; Bioaccessibility
资金
- National Natural Science Foundation of China [31671863, 31972090]
- National Key Research and Development Program of China [2017YFD0400704-4]
- Project of Double Hundred for Major Scientific and Technological Achievements Transformation of Shenyang City [Z19-3-012]
The addition of alpha casein or beta-casein can enhance the stability and bioaccessibility of blueberry anthocyanins, protecting their antioxidant capacity.
Blueberry anthocyanins are well-known for their diverse biological functions. However, the instability during digestion results in their weak bioavailability. The current study aimed to investigate the alteration in the stability, antioxidant capacity and bioaccessibility of blueberry anthocyanins with the addition of alpha-casein and beta casein in a simulated digestion system using pH differential method, HPLC-MS analysis, peroxyl scavenging capacity (PSC) assay, cellular antioxidant activity (CAA) and penetration test. The results showed that both alpha casein and beta-casein could increase the stability of blueberry anthocyanins during intestinal digestion and protect their antioxidant capacity. Moreover, the addition of alpha-casein or beta-casein would enhance the bioaccessibility of blueberry anthocyanins. In conclusion, our study highlights that the interaction between alpha-casein or beta-casein with blueberry anthocyanins can protect the compounds against influences associated with the simulated digestion.
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