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文献信息

Oral interactions between a green tea favanol extract and red wine anthocyanin extract using a new cell‑based model: insights on the efect of diferent oral epithelia

期刊名:Scientific Reports
文献编号:
文献地址: https://search.proquest.com/openview/54c5aaa075f80995d481f0e57e340252/1?pq-origsite=gscholar&cbl=2041939
发表日期:2020
Phenolic compounds (PC) are linked to astringency sensation. Astringency studies typically use simple models, with pure PC and/or proteins, far from what is likely to occur in the oral cavity. Diferent oral models have been developed here, comprising diferent oral epithelia (buccal mucosa (TR146) and tongue (HSC-3)) and other main oral constituents (human saliva and mucosal pellicle). These models, were used to study the interaction with two PC extracts, one rich in favanols (a green tea extract) and one rich in anthocyanins (a red wine extract). It was observed that within a family of PC, the PC seem to have a similar binding to both TR146 and HSC-3 cell lines. When the oral constituents occur altogether, favanols showed a higher interaction, driven by the salivary proteins. Conversely, anthocyanins showed a lower interaction when the oral constituents occur altogether, having a higher interaction only with oral cells. Epigallocatechin gallate, epicatechin gallate, epigallocatechin-3O(3-O-methyl) gallate were the favanols with the highest interaction. For the studied anthocyanins (delphinidin-3-glucoside, peonidin-3-glucoside, petunidin-3-glucoside and malvidin-3-glucoside), there was not a marked diference on their interaction ability. Overall, the results support that the diferent oral constituents can have a diferent function at diferent phases of food (PC) intake. These diferences can be related to the perception of diferent astringency sub-qualities.

EGCG and ECG were puchased from Biopurify...