The mediation mechanism of calcium ions on black bean type 3 resistant starch: Metabolomics, structure characteristics and digestibility

被引:0
|
作者
Yang, Qingyu [1 ,2 ]
Zhang, Xiling [1 ]
Gu, Chenqi [1 ]
Li, Man [1 ]
Hu, Xiufa [1 ]
Gao, Yuzhe [1 ,2 ]
Min, Zhongman [1 ,2 ]
Zhang, Weijia [1 ]
Wu, Weijie [3 ]
机构
[1] Shenyang Normal Univ, Coll Grain Sci & Technol, Shenyang 110034, Peoples R China
[2] Liaoning Key Lab Characterist Grain & Oil Proc & Q, Shenyang 110034, Peoples R China
[3] Zhejiang Acad Agr Sci, Hangzhou 310021, Peoples R China
关键词
Black beans; Metabolomics; Resistant starch; Calcium ions; Starch digestibility; NMR-SPECTROSCOPY; C-13; NMR; FT-IR; RICE; WAXY;
D O I
10.1016/j.foodchem.2024.138883
中图分类号
O69 [应用化学];
学科分类号
081704 ;
摘要
The type 3 resistant starch (RS3) is beneficial for blood glucose management. A high quality RS3 was provided and its formation mechanism after calcium ion (Ca2+) treatment was investigated in this study. The metabolomics, structure and digestion properties were evaluated. Metabolomics was performed by untargeted UHPLCQ-TOF/MS, and a total of 11 significantly different metabolites was found. The NMR, ATR-FTIR, and XRD results showed that the degree of double helix decreased from 5.34 to 1.07, crystallinity decreased from 33.58 % to 19.88 %, and the amorphous region increased from 69.76 % to 78.33 %. Large particle polymers were observed by SEM on the granule surface of starch with Ca2+ treatment. Digestion test showed that Ca2+ increased the RS3 from 9.70 % to 22.26 %. The result indicated that Ca2+ induced the formation of chelates between Ca2+ and -OH, promoted the RS3 content and regulated carbohydrate metabolism. The study provided theoretical basis for producing low-glycemic black bean foods.
引用
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页数:11
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