Effect of plant polyphenols on the formation of advanced glycation end products from β-lactoglobulin

Ling Liu, Rikke Susanne Vingborg Hedegaard, Leif Horsfelt Skibsted

    2 Citations (Scopus)

    Abstract

    Dietary exposure to advanced glycation end products (AGEs) formed from proteins and reducing sugars is of increasing concern to human health. AGEs may form in protein-based powders containing sugars for instant beverages during drying and storage of the product. Chlorogenic acid, a plant phenol characteristic of coffee, was found to protect against the formation of AGEs at a concentration of 50mM during heating of β-lactoglobulin in the presence of glucose as a reducing sugar in 30% aqueous ethanol at 70°C. Epicatechin, a plant phenol characteristic of green tea, had no similar effect for the equivalent concentration of phenol on the formation of AGEs. Immunochemical detection (ELISA) using polyclonal antibodies raised against AGEs showed a dose-dependent effect of protection by chlorogenic acid on AGE formation and is recommended for routine quality control of sugar containing milk-based powders for instant beverages.

    Original languageEnglish
    JournalFood Science and Biotechnology
    Volume26
    Issue number2
    Pages (from-to)389-391
    Number of pages3
    ISSN1226-7708
    DOIs
    Publication statusPublished - 1 Apr 2017

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