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International Journal of Biological Macromolecules

International Journal of Biological Macromolecules

IF: 7.7
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Effect of superheated steam on Maillard reaction products, digestibility, and antioxidant activity in β-Lactoglobulin-glucose system

Published:6 December 2024 DOI: 10.1016/j.ijbiomac.2024.138514 PMID: 39647727
Wen-Mei Chen,?Yang Wang,?Xu-Mei Wang,?Yan-Hong Shao,?Zong-Cai Tu,?Jun Liu

Abstract

This study analyzes the interactions among Maillard reaction products (MRPs), digestibility and antioxidant activity in a β-lactoglobulin-glucose (βlg-Glu) model system during superheated steam treatment at 120?°C for 1 to 5?min. With an increase in treatment duration, there were significant increases in glucose loss, grafting degree, browning, and the formation of intermediate products in βlg-Glu. Characteristic MRPs, including α-dicarbonyl compounds, 5-hydroxymethylfurfural, and advanced glycation end products (AGEs), were formed through the degradation of sugars and condensation reactions between carbonyls and amines, accompanied by an increase in oxidative products. These changes impacted the molecular weight distribution and conformational structure of βlg-Glu, resulting in decreased digestibility. βLg-Glu with the highest level of glycation exhibited superior antioxidant activity after in vitro digestion, which was closely associated with the increase in AGEs and oxidation products. Therefore, the protein-sugar system treated by superheated steam with different heating time can significantly affect the formation and activity of the products, providing theoretical basis for superheated steam processing nutritious and healthy food.

Substances (5)

Materials
Procduct Name CAS Molecular Formula Supplier Price
D(+)-Glucose 50-99-7 C6H12O6 1121 suppliers $6.00-$26950.00
Glyoxal 107-22-2 C2H2O2 634 suppliers $14.00-$1570.00
o-Phenylenediamine 95-54-5 C6H8N2 591 suppliers $9.00-$675.00
Methylglyoxal 78-98-8 C3H4O2 359 suppliers $10.60-$2360.94
2,2-diphenyl-1-picrylhydrazyl 1898-66-4 C18H12N5O6* 264 suppliers $40.00-$1084.20

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