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Permanent link (DOI): https://doi.org/10.7939/R3R785X5Q

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Characterization of nutrient profiles from legume seeds Open Access

Descriptions

Other title
Subject/Keyword
seed
legume
nutrient
Type of item
Thesis
Degree grantor
University of Alberta
Author or creator
Yang, Han
Supervisor and department
Ozga, Jocelyn (Department of Agricultural, Food and Nutritional Science)
Examining committee member and department
Gaenzle, Michael (Department of Agricultural, Food and Nutritional Science)
Strelkov, Stephen (Department of Agricultural, Food and Nutritional Science)
Department
Department of Agricultural, Food, and Nutritional Science
Specialization
Plant Science
Date accepted
2014-03-26T11:23:21Z
Graduation date
2014-06
Degree
Master of Science
Degree level
Master's
Abstract
The overall goal of this research was to characterize components of legume seeds, and determine if specific seed components have potential functional properties for practical end-uses. The polymeric flavonoids proanthocyanidins (PA), also known as condensed tannins, accumulate in the seed coats of specific grain legume cultivars. In this study, the PA type found in pea seed coats (Pisum sativum L.) of ‘Solido’ was confirmed, and PA-enriched seed coat fractions and their flavan-3-ol subunits were investigated for antibacterial activity against food pathogens. Antimicrobial activity was influenced by the number of hydroxyl substitutions on the flavonoid aromatic B-ring. Our data suggest that at least part of the antimicrobial activity of flavan-3-ols and PAs involves their capacity to bind iron. Additionally, the fibre, protein and starch content of seeds from specific cultivars of the grain legumes pea (Pisum sativum L.), faba bean (Vicia faba L.), and lentil (Lens culinaris L.), were determined to further understand the health-beneficial effects of legume seed consumption in the diet. The amount and type of fibre in the legume seed coats is discussed with specific relevance to the potential to ameliorate symptoms of type 2 diabetes.
Language
English
DOI
doi:10.7939/R3R785X5Q
Rights
Permission is hereby granted to the University of Alberta Libraries to reproduce single copies of this thesis and to lend or sell such copies for private, scholarly or scientific research purposes only. Where the thesis is converted to, or otherwise made available in digital form, the University of Alberta will advise potential users of the thesis of these terms. The author reserves all other publication and other rights in association with the copyright in the thesis and, except as herein before provided, neither the thesis nor any substantial portion thereof may be printed or otherwise reproduced in any material form whatsoever without the author's prior written permission.
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File title: Han Yang
File author: Han Yang
Page count: 105
File language: en-US
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