Journal
MAILLARD REACTION: RECENT ADVANCES IN FOOD AND BIOMEDICAL SCIENCES
Volume 1126, Issue -, Pages 300-306Publisher
BLACKWELL PUBLISHING
DOI: 10.1196/annals.1433.016
Keywords
glycation; mass spectrometry; N-epsilon-carboxymethyllysine; N-epsilon-fructosyllysine; pyrraline; dairy products
Ask authors/readers for more resources
An isotope dilution liquid chromatography-tandem mass spectrometry (LC-MS/MS) method was developed to determine lysine (Lys), N-epsilon-fructosyllysine (FL), N-epsilon-carboxymethyllysine (CML), and pyrraline (Pyr) in dairy products. The presented approach entails protein cleavage via enzymatic digestion to liberate the aforementioned compounds, which were then quantified using a stable isotope dilution assay. LC-MS/MS analysis was performed by positive electrospray ionization recording two transition reactions per analyte in selected reaction monitoring mode. The CML and Lys values obtained with enzymatic digestion were compared to those acquired with acid hydrolysis HCl (6 mol/L), and the two proteolysis methods yielded comparable quantifications. Allowing for the fact that the investigated compounds are formed during different stages of the glycation process, the method is able to reveal the progress of protein glycation in dairy products.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available