Interaction between protein allergens and model gastric emulsions

Fillery-Travis, Annette and Burnett, G. R. and Wickham, M. and Robertson, J. and Belton, P. S. and Gilbert, S. M. and Tatham, A. S. and Shewry, P. R. and Mills, E. M. C. (2002) Interaction between protein allergens and model gastric emulsions. Biochemical Society Transactions, 30 (6). pp. 916-918. ISSN 0300-5127

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Abstract

The observed resistance to pepsinolysis of known food allergens has been suggested as a predictor of their allergenic risk. Consequently, resistance to pepsinolysis has become incorporated into decision tree assessment for potential allergenic risk posed by novel foods. However, existing methods take little account of the interaction between food structure and physiological conditions existing during digestion in vivo. Here we show that a range of protein allergens can adsorb to model stomach emulsions, providing a further means of resisting digestion. We also show that raising the pH and the addition of bile salts to a model stomach emulsion, thereby mimicking the duodenal environment, has the effect of desorbing the adsorbed protein.

pepsinolysisprotein—lipid interactionprotein adsorptionβ-lg, β-lactoglobulinSFA-8, methionine-rich 2 S albumin 8 from sunflower

Item Type: Article
Research Areas: A. > Work and Learning Research Centre
Item ID: 17761
Depositing User: Paul Stapleton
Date Deposited: 30 Sep 2015 09:43
Last Modified: 09 May 2017 11:00
URI: http://eprints.mdx.ac.uk/id/eprint/17761

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