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Simulated Gastric and Intestinal Fluid Electrolyte Solutions as an Environment for the Adsorption of Apple Polyphenols onto β-Glucan (CROSBI ID 315108)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Jakobek, Lidija ; Strelec, Ivica ; Kenjerić, Daniela ; Šoher, Lidija ; Tomac, Ivana ; Matić, Petra Simulated Gastric and Intestinal Fluid Electrolyte Solutions as an Environment for the Adsorption of Apple Polyphenols onto β-Glucan // Molecules, 27 (2022), 19; 6683, 14. doi: 10.3390/molecules27196683

Podaci o odgovornosti

Jakobek, Lidija ; Strelec, Ivica ; Kenjerić, Daniela ; Šoher, Lidija ; Tomac, Ivana ; Matić, Petra

engleski

Simulated Gastric and Intestinal Fluid Electrolyte Solutions as an Environment for the Adsorption of Apple Polyphenols onto β-Glucan

Interactions with dietary fibers in the gastrointestinal tract might affect the potential bioactivities of phenolic compounds. In this study, the interactions between apple phenolic compounds and β-glucan (a dietary fiber) were studied by studying the adsorption process in simulated gas-tric and intestinal fluid electrolyte solutions. Phenolic compounds were extracted from apples, adsorbed onto β-glucan (2 h, 37 °C, in gastric or intestinal fluid electrolyte solutions), and de-termined using high performance liquid chromatography. Phenolic compounds (flavan-3-ols, flavonols, phenolic acids, and dihydrochalcone) were stable in the gastric fluid (pH 3). In the intestinal fluid (pH 7), flavan-3-ols were not found and chlorogenic acid isomerized. Polyphenols from the apple peel (up to 182 and 897 mg g−1) and flesh (up to 28 and 7 mg g−1) were adsorbed onto β-glucan in the gastric and intestinal fluids, respectively. The adsorption was affected by the initial concentration of the polyphenols and β-glucan and by the environment (either gastric or intestinal fluid electrolyte solution). By increasing the initial polyphenol amount, the quantity of adsorbed polyphenols increased. Increasing the amount of β-glucan decreased the amount adsorbed. The results can be helpful in explaining the fate of phenolic compounds in the gastrointestinal tract.

dietary fiber ; adsorption capacity ; gastrointestinal tract ; phenolic compounds

This article belongs to the Special Issue Bioactive Compounds and Antioxidant Activity of Extracts from Different Natural Plants

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Podaci o izdanju

27 (19)

2022.

6683

14

objavljeno

1420-3049

10.3390/molecules27196683

Povezanost rada

Interdisciplinarne biotehničke znanosti, Prehrambena tehnologija

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