Enzymic catalyzing affinity to substrate affects inhibitor-enzyme binding interactions: Inhibition behaviors of EGCG against starch digestion by individual and co-existing α-amylase and amyloglucosidase

•Epigallocatechin gallate(EGCG) inhibits amylase(AA) at slowly-digestible-starch phase.•EGCG inhibited amyloglucosidase(AMG) and AA/AMG in the whole digestion process.•Binding of EGCG with AA and AMG causes more unbound AMG in AA/AMG system.•Although EGCG-AA binding affinity was higher than EGCG-AMG...

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Veröffentlicht in:	Food chemistry 2022-09, Vol.388, p.133047-133047, Article 133047
Hauptverfasser:	Zhu, Shengnan, Li, Jing, Li, Wenyue, Li, Shuangshuang, Yang, Xi, Liu, Xuebo, Sun, Lijun
Format:	Artikel
Sprache:	eng
Schlagworte:	alpha-Amylases - metabolism Amylases Amyloglucosidase Binding interactions Co-existing enzymes Digestion EGCG Glucan 1,4-alpha-Glucosidase - metabolism Starch - metabolism α-Amylase
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