In vitro digestion of eight types of wholegrains and their dietary recommendations for different populations.

Food Chem

State Key Laboratory of Food Science and Technology, China-Canada Joint Lab of Food Science and Technology (Nanchang), Nanchang University, Nanchang 330047, China. Electronic address:

Published: February 2022

Wholegrains have been promoted for human consumption due to their various health benefits. However, different wholegrains vary in nutritional composition and their beneficial impact on health. In this study, we compared the in vitro starch and protein digestibility, as well as dietary fiber content of eight different wholegrains including barley, buckwheat, coix seed, foxtail millet, oat, proso millet, quinoa, and sorghum and their porridges. We found that boiling improved starch digestibility of all grains, and protein digestibility except proso millet and sorghum. Porridges made from oats, quinoa, or buckwheat are considered healthier than others due to their lower glycemic index and glycemic load, higher digestible protein content and amino acid bioaccessibility, and higher dietary fiber content (>12%). This study could provide a comprehensive nutritional composition and digestibility of the eight types of wholegrains and their porridges. Dietary recommendations were also given for different populations based on factor analysis.

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Source
http://dx.doi.org/10.1016/j.foodchem.2021.131069DOI Listing

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