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- W2989814566 abstract "In this paper, we present the rich physics and chemistry of the gastric digestion of protein gels. Knowledge of this matter is important for the development of sustainable protein foods that are based on novel proteins sources like plant proteins or insects. Their digestibility is an important question in the design of these new protein foods. As polyelectrolyte gels, they can undergo volume changes upon shifts in pH or ionic strengths, as protein gels experience when entering the gastric environment. We show that these volume changes can be modelled using the Flory-Rehner theory, combined with Gibbs-Donnan theory accounting for the distribution of electrolytes over gel and bath. In-vitro experiments of soy protein gels in simulated gastric fluid indeed show intricate swelling behaviour, at first the gels show swelling but at longer times they shrink again. Simulations performed with the Flory-Rehner/Gibbs-Donnan theory reproduce qualitatively similar behaviour. In the final part of the paper, we discuss how the model must be extended to model realistic conditions existing in the in-vivo gastric environment." @default.
- W2989814566 created "2019-12-05" @default.
- W2989814566 creator A5019056421 @default.
- W2989814566 creator A5061051939 @default.
- W2989814566 creator A5063734298 @default.
- W2989814566 creator A5089746948 @default.
- W2989814566 date "2020-06-01" @default.
- W2989814566 modified "2023-09-26" @default.
- W2989814566 title "Physical chemistry of gastric digestion of proteins gels" @default.
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- W2989814566 doi "https://doi.org/10.1016/j.crfs.2019.11.003" @default.
- W2989814566 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/7473360" @default.
- W2989814566 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/32914111" @default.
- W2989814566 hasPublicationYear "2020" @default.