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Department of Food Science and Technology: Dissertations, Theses, and Student Research

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Allergy

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Using Bioinformatics Tools To Evaluate Potential Risks Of Food Allergy And To Predict Microbiome Functionality, Mohamed Abdelmoteleb May 2020

Using Bioinformatics Tools To Evaluate Potential Risks Of Food Allergy And To Predict Microbiome Functionality, Mohamed Abdelmoteleb

Department of Food Science and Technology: Dissertations, Theses, and Student Research

Novel foods and Genetically Engineered (GE) organisms are being developed for nutritional, industrial, and environmental applications. Dietary interventions have been used recently to mitigate methane emissions in ruminants. In this project, bioinformatics tools have been used to answer two main questions. The first question is the potential allergy risks for consumption of novel foods and GE organisms. The second question is the effects of dietary interventions on microbiome functionality related to methane production in ruminants.

To answer the first question, regulatory authorities in the United States and Europe now expect an evaluation of new proteins in novel foods or genetically …


Edible Insects As A Source Of Food Allergens, Lee Palmer Dec 2016

Edible Insects As A Source Of Food Allergens, Lee Palmer

Department of Food Science and Technology: Dissertations, Theses, and Student Research

Increasing global population increasingly limited by resources has spurred interest in novel food sources. Insects may be an alternative food source in the near future, but consideration of insects as a food requires scrutiny due to risk of allergens. Currently, the insect Dactylopius coccus, known as cochineal, is used to produce carmine, a natural red pigment used in food, which has caused allergic reactions. This study investigated allergens of cochineal focusing on purification from the pigment. Mass spectrometry identified a previously described major allergen of cochineal and a tropomyosin, although further work is required.

Tropomyosin is a major cross-reactive allergen …


Evaluation Of Qualitative Food Allergen Detection Methods And Cleaning Validation Approaches, Rachel C. Courtney May 2016

Evaluation Of Qualitative Food Allergen Detection Methods And Cleaning Validation Approaches, Rachel C. Courtney

Department of Food Science and Technology: Dissertations, Theses, and Student Research

Allergen control plans are increasingly used by the food industry to prevent allergen cross-contact and validation of these plans involves methods to detect allergen protein residues. A commonly used rapid allergen detection method is lateral flow devices, although research about their validation is lacking. The objective of this research was to investigate lateral flow devices, their specificity and sensitivity to milk proteins and milk-derived ingredients, swabbing conditions, and applications in cleaning validation.

Several lateral flow devices advertised to detect total milk did not detect whey proteins or whey-derived ingredients. The overload level of the kits was highly variable (ranging from …