Improved protocols for ELISA determination of gliadin in glucose syrups

Simple modifications of existing protocols for high-sensitivity detection of gluten proteins by immunochemical methods allowed rapid and sensitive determination of residual gluten in highly viscous samples of glucose and maltose syrups obtained from processing wheat starch. Dilution of the original...

Full description

Saved in:
Bibliographic Details
Published in:Cereal chemistry 2004, Vol.81 (1), p.15-18
Main Authors: Iametti, S, Cappelletti, C, Oldani, A, Scafuri, L, Bonomi, F
Format: Article
Language:English
Subjects:
Animal, plant, fungal and microbial proteins, edible seaweeds and food yeasts
Biological and medical sciences
Cereal and baking product industries
Food industries
Fundamental and applied biological sciences. Psychology
Citations: Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:Simple modifications of existing protocols for high-sensitivity detection of gluten proteins by immunochemical methods allowed rapid and sensitive determination of residual gluten in highly viscous samples of glucose and maltose syrups obtained from processing wheat starch. Dilution of the original syrup to no less than 15-20% in solids allowed retention of gluten proteins in a soluble form so that ELISA determination of gliadin was possible without an extraction step in aqueous ethanol. An ultrafiltration step may be added to concentrate residual gluten proteins in the diluted syrup samples and allow a further increase in sensitivity. The results are relevant for quality assessment of wheat starch derived syrups as raw materials for use in gluten-free foods for celiac individuals.
ISSN:0009-0352
1943-3638
DOI:10.1094/CCHEM.2004.81.1.15