Improved Storage Properties and Cellular Uptake of Casticin-Loaded Nanoemulsions Stabilized by Whey Protein-Lactose Conjugate

文献类型: 外文期刊

第一作者: Zhang, Bei

作者: Zhang, Bei;Lei, Miao;Huang, Wenjing;Liu, Gang;Jiang, Fangcheng;Jin, Weiping;Jiang, Fangcheng;Huang, Qingrong;Peng, Dengfeng

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关键词: casticin; nanoemulsion; whey protein isolated; conjugate; cellular uptake

期刊名称:FOODS ( 影响因子:4.35; 五年影响因子:4.957 )

ISSN:

年卷期: 2021 年 10 卷 7 期

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收录情况: SCI

摘要: Casticin has wide-ranging functional activities, but its water solubility is poor in food products. Here, a nanoemulsion stabilized by Maillard whey protein isolate conjugates (MWPI) was fabricated to encapsulate casticin. The nanoemulsion, with an average diameter of 200 nm, possessed the capability to load 700 mu g/g casticin. MWPI-stabilized nanoemulsion showed better stability than that of the WPI nanoemulsion during 4 weeks of storage. Both the inhibition effects of the casticin-loaded nanoemulsion on cancer cells and the process of cellular uptake were studied. Results revealed that the casticin-loaded nanoemulsion had better inhibitory activity in HepG2 and MCF-7 cells than free casticin. Cellular uptake of the nanoemulsion displayed a time-dependent manner. After the nanoemulsion passed into HepG2 and MCF-7 cells, it would locate in the lysosome but not in the nucleus. The main pathway for the nanoemulsion to enter HepG2 cells was pinocytosis, whereas, it entered MCF-7 predominantly through the clathrin-mediated pit. This work implies that MWPI-stabilized nanoemulsions could be utilized as an effective delivery system to load casticin and have the potential to be applied in the food and pharmaceutical industries.

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