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Updated: May 30, 2025

Bioinformatics Resources for the Study of Glycan-Mediated Protein Interactions
Published on: January 20, 2022
Development of a comprehensive food glycomic database and its application: Associations between dietary carbohydrates
Christopher Suarez1, Shawn Ehlers Cheang1, Jules A Larke2
1Department of Chemistry, University of California Davis, Davis, CA, USA; Foods for Health Institute, University of California Davis, Davis, CA, USA.
Abstract:
Carbohydrates are an integral part of a healthy diet. The molecular compositions of carbohydrates encompass a very broad range of unique structures with many being ill-defined. This vast structural complexity is distilled into vague categories such as total carbohydrates, sugars, starches, and soluble/insoluble fibers. Structural elucidation of the food glycome is until recently extremely slow and immensely challenging. Dietary carbohydrates, including monosaccharides, oligosaccharides, glycosidic linkages, and polysaccharides were determined for the most consumed foods in the US consisting of 250 common foods using a multiglycomic platform. The food glycome was then correlated with clinical data from the National Health and Nutrition Examination Survey (NHANES) consisting of dietary recalls from 13,550 adults to determine associations between dietary carbohydrates, their structural features and insulin resistance. Several features were more powerful predictors compared to traditional measures indicating the need for molecular fine-scale food carbohydrate data in guiding precision nutrition initiatives and clinical studies.
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