Effect of pectin structure on the in vitro bioaccessibility of carotenoids in simulated juice model

文献类型： 外文期刊

第一作者： Liu, Jianing

作者： Liu, Jianing;Bi, Jinfeng;Liu, Xuan;Liu, Dazhi;Liu, Xuan;Liu, Jianing;Fogliano, Vincenzo;Dekker, Matthijs;Verkerk, Ruud;Liu, Dazhi

作者机构：

关键词： beta-Carotene bioaccessibility; Pectic polymers; Homogalacturonan; Rhamnogalacturonan-I; Rhamnogalacturonan-II; Digestive fluids

期刊名称：INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES （ 影响因子：7.7； 五年影响因子：7.7 ）

ISSN： 0141-8130

年卷期： 2024 年 273 卷

页码：

收录情况： SCI

摘要： The impact of pectin structure on carotenoid bioaccessibility is still uncertain. This study aims to investigate how the different pectic polymers affected the bioaccessibility of carotenoids in a simulated juice model during static in vitro digestion. This study includes homogalacturonan (HG), which is a linear pectic polymer, rhamnogalacturonan-I (RG-I), which is a branched pectic polymer, and rhamnogalacturonan (RG), which is a diverse pectic polymer rich in RG-I, rhamnogalacturonan-II (RG-II), and xylogalacturonan domains. Juice models without pectin had the highest carotenoid bioaccessibility, suggesting pectin has negative effects on carotenoid bioaccessibility. During the intestinal phase, systems with HG showed the highest viscosity, followed by systems with RG and systems with RG-I. Systems with RG-I had lower carotenoid bioaccessibility than systems with HG and RG-II. Both the percentage of RG-I and the average side chain length of RG-I had negative correlations with carotenoid bioaccessibility. RG-I side chains with more arabinose and/or galactose might cause lower carotenoid bioaccessibility in this juice model system. This study offers valuable insights into the relationship between pectin structure and carotenoid bioaccessibility in a simulated juice model, highlighting the importance of considering pectin composition for maximizing carotenoid bioaccessibility and potential health benefits in fruitbased beverages.

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