期刊
CEREAL CHEMISTRY
卷 100, 期 2, 页码 460-472出版社
WILEY
DOI: 10.1002/cche.10623
关键词
antinutritional factors; cooking; PER; PDCAAS
This study investigated the effects of different cultivars and processing methods on the protein quality of soy, wheat, and oats, and quantified differences in antinutritional factors. The results showed that cooked soy cultivars had the highest Protein Efficiency Ratio (PER) while wheat samples had the lowest PER, with cooking having the greatest impact on soy. The Protein Digestibility Corrected Amino Acid Score (PDCAAS) of soy was higher than oats, which was higher than wheat. Significance and Novelty: This study provides valuable data for product development and dietary formulation by directly comparing the protein quality of wheat, oats, and soy, which is rarely reported.
Background and ObjectivesSoy, wheat, and oats are widely consumed crops globally, but variation between cultivars and processing methods can produce products of varying protein quality. This study cooked two different cultivars of wheat, oats, and soy and compared indices of protein quality as well as quantified differences in antinutritional factors. FindingsProtein Efficiency Ratio (PER) was highest in cooked soy cultivars and lowest in wheat samples, with cooking having the most impact on soy PER. Protein Digestibility Corrected Amino Acid Score (PDCAAS) of soy was greater than oats which was greater than wheat. Antinutritional factors differed significantly between crops and cultivars, with processing having the greatest impact on soy. In vitro measurements of PDCAAS correlated well with in vivo assessment. ConclusionsThermal processing has variable effects on protein quality depending on crop and cultivar selected, primarily due to differences in amino acid composition. In vitro measurement of protein quality can be used as a rapid screening tool. Significance and NoveltyDirect comparison in protein quality between wheat, oat, and soy is rarely reported. Measuring the protein quality of different cultivars and crops pre and postprocessing provides essential data for product development and dietary formulation.
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