A basis for IgY-themed functional foods: Digestion profile of oral yolk immunoglobulin (IgY) by INFOGEST static digestion model

Minquan Xia,Dong Uk Ahn,Cong Liu,Zhaoxia Cai

Food Research International（2022）

Cited 6|Views14

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Abstract

•Yolk immunoglobulin (IgY) digestion behavior and products are studied by simulation.•IgY degrades easily in intestinal phase (89.49% digestibility) but not in gastric phase.•IgY digestion involves aggregation, depolymerization and degradation into pieces.•Over 6 peptides and 21 amino acids are detected, including 6 essential amino acids.•IgY doesn’t reach its maximum digestion degree at gastrointestinal digestion for 240 min.

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Key words

Yolk immunoglobulin (IgY),Static digestion simulation,Peptide sequence, Essential amino-acid,Digestibility,Degree of hydrolysis

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