Tibetan sheepskin collagen/highland barley β-glucan composite gels induced by calcium or sodium ions: Gelling properties and formation mechanisms

2026-07-26

PRE

Chen Jie Yun

Xu Dong Zhang

Jiao Qi

Yu Bin Zhang *

DOI：10.1016/j.ijbiomac.2026.153707

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Abstract

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• A novel composite gel system composed of Tibetan sheepskin collagen and highland barley β-glucan was constructed. • Ca2+ exhibited a more pronounced regulatory effect on the gel network than Na+. • Ca2+ enhanced gel strength by promoting intermolecular cross-linking. • Hydrophobic interactions played a dominant role in stabilizing the gel network.

Keywords:

Tibetan sheepskin collagen

Highland barley beta-glucan

Composite gels

Ionic induction

Gel microstructure

Molecular interaction

Tibetan sheepskin collagen/highland barley β-glucan composite gels induced by calcium or sodium ions: Gelling properties and formation mechanisms

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