Review on the loading efficacy of dietary tea polyphenols with milk proteins
2018
Chanphai, P. | Bourassa, P. | Kanakis, C.D. | Tarantilis, P.A. | Polissiou, M.G. | Tajmir-Riahi, H.A.
In this review, the structural analysis and the loading efficacies of dietary tea polyphenols (+)-catechin (C), (−)-epicatechin (EC), (−)-epicatechingallate (ECG) and (−)-epigallocatechingallate (EGCG) with milk proteins β-lactoglobulin (β-LG), α-casein (αs1-casein) and β-casein were compared. The multiple spectroscopic results and docking sresults showed that the polyphenol bindings are via hydrophilic, hydrophobic and H-bonding contacts, where larger polyphenols form more stable protein conjugates. The order of protein affinity towards polyphenol was β-casein>α-casein>β-LG. Loading efficacy was 30–50% for polyphenol-protein adducts. The comparison showed milk proteins are capable of transporting tea polyphenols, which increases the bioavailability of these dietary micronutrients in solution.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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