Cross-linking affecting properties and in-vitro digestibility of starch-sucrose ester complexes
文献类型： 外文期刊
作者： Liu, Cancan 1 ; Zhan, Ahui 4 ; Liu, Peihua 5 ; Li, Ruoxuan 4 ; Li, Kai 4 ; Li, Jianbin 4 ;
作者机构： 1.Guangdong Acad Agr Sci, Inst Fruit Tree Res, Guangzhou 510640, Peoples R China
2.Minist Agr & Rural Affairs, Key Lab South Subtrop Fruit Biol & Genet Resource, Guangzhou 510640, Peoples R China
3.Guangdong Prov Key Lab Sci & Technol Res Fruit Tre, Guangzhou 510640, Peoples R China
4.Guangxi Univ, Coll Light Ind & Food Engn, Nanning 530004, Peoples R China
5.South China Univ Technol, Sch Food Sci & Engn, Guangzhou 510641, Peoples R China
关键词： Starch-sucrose ester complexes; Cross-linking; In-vitro digestibility
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 276 卷
页码：
收录情况： SCI
摘要： This study investigated the effects of cross-linking on the characteristics and in-vitro digestibility of starch- sucrose ester (SE) complexes. To achieve this, corn starch (CS) was cross-linked with various concentrations of sodium trimetaphosphate /sodium tripolyphosphate (5 %, 10 %, and 15 %). Subsequently, cross-linked starches (CLS) were complexed with SE through hydrothermal treatment. X-ray diffraction analysis revealed that V-type amylose-lipid complexes formed by the interaction between CS and SE. The resultant CS-SE complex significantly reduced CS digestibility, increasing its resistant starch (RS) content from 10.19 % to 22.71 %. The cross-linking modification did not alter the crystalline pattern of the CS-SE complex. Several CLS-SE complexes demonstrated higher enzymatic resistance compared to the CS-SE complex. The CLS10-SE complex exhibited the highest RS content of 39.37 % when the cross-linking agent concentration was 10 %. This phenomenon may be attributable to the cross-linking reaction having enhanced the interaction between starch molecular chains, reducing the solubility and swelling power, thereby hindering the accessibility of starch chains to digestive enzymes. These findings indicate that cross-linking modification is a practical approach to improving the anti- digestion performance of starch-lipid complexes.
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