期刊
FOOD CHEMISTRY
卷 351, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2021.129340
关键词
Type 3 resistant starch; Canna edulis; Structural properties; Anti-hyperglycemia; Gut microbiota; Prebiotic
资金
- Beijing Municipal Natural Science Foundation [7192120]
- National Science & Technology Fundamental Resources Investigation Program of China [2018FY100700]
- Science & Technology Support Plan of Guizhou Province [20172546, 20204Y074]
Ce-RS3, developed from Canna edulis native starch through dual enzymatic hydrolysis and recrystallization, displayed improved structural properties compared to NS, maintaining a B-type crystallization and showing higher crystallinity and more ordered structures, which could alleviate dyslipidemia in hyperlipidemic mice through modulating gut microbiota diversity.
Type 3 resistant starch (RS3) was developed from Canna edulis (Ce) native starch (NS) through dual enzymatic hydrolysis and recrystallization. Thereafter, the processed Ce-RS3 was subjected to systematic characterizations for its structural properties, anti-hyperlipidemic effect, and in vivo gut microbiota modulatory function. The Ce-RS3 content was increased to 49.11% after processing under optimal conditions. Compared with NS, Ce-RS3 maintained its B-type crystallization without introducing new chemical groups. Meanwhile, it displayed coarse surfaces, higher crystallinity, more ordered structures, and a higher proportion of chains with degree of polymerization (DP) 37-100. Ce-RS3 intervention significantly alleviated dyslipidemia in hyperlipidemic mice, which was associated with increased gut microbial diversity and unique microbial enrichment, potentially mediated by its fine structure. These observations are valuable for developing RS3 from C. edulis for prebiotics applications and support the potential strategy that utilizes well-designed RS to modulate specific bacterial populations to improve health.
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