Journal
FOOD BIOSCIENCE
Volume 24, Issue -, Pages 50-55Publisher
ELSEVIER
DOI: 10.1016/j.fbio.2018.05.008
Keywords
Bound phenolics; Free phenolics; Phenolic protein interactions; Wheat; ACE; Allergenicity
Categories
Funding
- Jordan University of Science and Technology [20110220]
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Protein fractions were isolated from wheat flour including albumin, globulin, glutelin-1, glutelin-2 and prolamin. The free and bound phenolics were extracted from each protein fraction to determine the impact of their removal on allergenicity, antioxidant activity and the inhibitory activities of the angiotensin converting enzyme. The glutelin-1 fraction showed the highest protein content and yield of 71.02% and 21.02%, respectively. The highest antioxidant activity was noted in the glutelin-1 fraction (48.17%). The angiotensin converting enzyme inhibitory activities among the protein fractions ranged from 6.87% to 84.52%. The greatest reduction of allergenicity (39.66%) was demonstrated in the prolamin fraction. We conclude that the removal of phenolics appears to decrease significantly the allergenicity of wheat protein fractions while maintaining significant bioactivities related to anti-hypertensive, antioxidant, and anti-diabetic properties.
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