期刊
JOURNAL OF FUNCTIONAL FOODS
卷 92, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.jff.2022.105049
关键词
Goji berry; Bioavailability; Carotenoids; Cytoprotection
资金
- Spanish Ministry of Science Innovation [PID2019-108070RB-I00ALI]
This study investigated the bioavailability of carotenoids in goji berries using a Caco-2 cell model, and evaluated the cytoprotective effect of one carotenoid against a fungal toxin. The results showed that the bioavailability of carotenoids from goji berries varied depending on their compound structure, with ZDP being the most bioavailable. Additionally, goji berry carotenoids exhibited a certain level of cytoprotection against the fungal toxin.
Bioactive compounds (BACs) in natural matrices are compartmented in specific anatomical structures resulting in low bioavailability. Here the study of bioavailability of carotenoids presents in Lycium barbarum L. goji berries (GB): zeaxanthin dipalmitate (ZDP), lutein (LUT), and zeaxanthin (ZEAX) using a trans-epithelial model with Caco-2 cells are presented. Among that the potential cytoprotection ZDP against beauvericin (BEA) mycotoxin in HepG2 cells was also carried out. Results revealed that the percentage of carotenoids from digested GB oscillated between 40 % and 98 % from 1 h to 4 h in differentiated Caco-2 cells for the most bioavailable carotenoids: LUT, ZEAX, and ZDP. The bioavailability of standard carotenoids at different concentrations was lower than those from natural digested GB. The disposition of GB carotenoids according to their bioavailability corresponds to ZDP > ZEAX > LUT. Cytoprotection of ZDP against beauvericin (BEA) in pretreatment strategy in HepG2 cells increased with the exposure time (from 24 h to 48 h) and the dose (BEA 1.25 mu M to 2.5 mu M); while in simultaneous, a decrease was observed with the time and an increase with the dose.
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