数字农科院2.0

Age-related digestive capacity decline modulates the kinetic patterns of starch and protein digestion from varied diets: An in vitro study

文献类型： 外文期刊

作者： Huilin Shen;Yimeng Shan;Dezhi Li;Kexin Li;Jing Wang;Yue Zhang;Yang Li;Li Tao Tong

作者机构：

关键词： Diet composition;In vitro digestion;Peptidomics;Starch digestibility

期刊名称： Food Research International

ISSN： 0963-9969

年卷期： 2026 年 227 卷

页码：

收录情况： SCIE（2025版） ; ; EI（2025版）

摘要： Dietary composition significantly influences the digestive properties of macromolecules. This study evaluated the nutritional composition, digestion kinetics of starch and protein, and peptide release behavior of the Mediterranean diet (M-Diet), Southern European Atlantic diet (SEA-Diet), Japanese diet (J-Diet), and Chinese diet (C-Diet) employing an in vitro static digestion model for adults and older adults. The findings indicated that SEA-Diet exhibited the highest total amino acid content (1274.22 mg/g protein) but exhibited a lower amino acid score (AAS). In vitro digestion studies revealed that the initial starch digestion rates of J-Diet (3.73 × 10−2 min−1) and C-Diet (2.45 × 10−2 min−1) were substantially higher than those of M-Diet (1.97 × 10−2 min−1) and SEA-Diet (1.88 × 10−2 min−1). SEA-Diet exhibited the highest degree of protein hydrolysis (DH), reaching 26.58 %. The C-diet appears particularly suitable for older adults due to its favorable peptide release, though its rapid starch digestion suggests a need for complementary fiber-rich foods. This study demonstrated compositional variations among the four diets regulated protein and starch digestive characteristics in adults and older adults, establishing a scientific foundation for dietary recommendations for the older population.

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