food-science
Food science is the study of food's chemical, physical, and biological properties, encompassing food safety, processing, and technology development. For plant science, it provides critical frameworks for understanding how plant-derived ingredients behave during processing, how cultivation and genetics influence nutritional composition, and how crop improvements can be translated into tangible benefits for human health and food systems.
open_in_new WikipediaPubMed · 2026-04-15
Researchers discovered that calcium ions act as a molecular bridge between pectin (a fiber from plant cell walls) and gluten proteins in wheat dough, strengthening the network that gives bread its texture. Understanding this interaction could lead to better-formulated breads with improved structure and nutritional fiber content.
Calcium ions directly mediate binding between ultra-low-ester pectin and high-molecular-weight glutenin subunits (HMW-GS), forming cross-links that strengthen dough networks.
Deletion of specific HMW-GS subunits confirmed that particular gluten protein subunits are essential binding partners for pectin, with their removal measurably weakening fiber-gluten interactions.
Molecular dynamics simulations revealed the atomic-level mechanism: calcium coordinates negatively charged pectin carboxyl groups with glutenin residues, acting as an ionic bridge at the subunit interface.
