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Tea, coffee and fruit in dairy products are rich in polyphenols. The interaction mechanism between β-lactoglobulin (β-LG) and chlorogenic acid (CGA), ferulic acid (FA) and epigallocatechin-3-gallate (EGCG) was investigated. Fluorescence experiments proved that polyphenols quenched β-LG fluorescence strongly in static mode and EGCG had stronger binding affinity toward β-LG than CGA and FA. The main...
We studied the binding of cyanidin-3-O-glucoside (C3G) with bovine serum albumin (BSA), hemoglobin (Hb) and myoglobin (Mb), using multi-spectral techniques and molecular modeling. Fluorescence and time-resolved fluorescence studies suggested that C3G quenched BSA, Hb or Mb fluorescence in a static mode with binding constants of 4.159, 0.695 and 1.545×104Lmol−1 at 308K, respectively. The thermodynamic...
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