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Improved stability and controlled release of omega 3/omega 6 polyunsaturated fatty acids by spring dextrin encapsulation

文献类型： 外文期刊

作者： Xu, Jin 2 ; Zhao, Wenxiu 2 ; Ning, Yawei 2 ; Bashari, Mohanad 2 ; Wu, Fengfeng 2 ; Chen, Haiying 2 ; Yang, Na 1 ; Jin, Zh 1 ;

作者机构： 1.Jiangnan Univ, State Key Lab Food Sci & Technol, Wuxi 214122, Peoples R China

2.Jiangnan Univ, Sch Food Sci & Technol, Wuxi 214122, Peoples R China

3.Yurun Grp, State Key Lab Meat Proc & Qual Control, Nanjing 210041, Jiangsu, Peoples R China

4.Jiangsu Acad Agr Sci, Inst Farm Prod Proc, Nanjing 210014, Jiangsu, Peopl

关键词： Spring dextrin;Encapsulation;Poly-unsaturated fatty acid;Molecular dynamic simulation

期刊名称：CARBOHYDRATE POLYMERS （ 影响因子：9.381； 五年影响因子：8.678 ）

ISSN： 0144-8617

年卷期： 2013 年 92 卷 2 期

页码：

收录情况： SCI

摘要： Food grade biopolymers, such as dextrin, have been suggested as a technological solution for the controlled delivery of health promoting substances. The main focus of this work is to improve the stability of poly-unsaturated fatty acids (PUFAs) and controlled release by encapsulating with helical spring dextrin (SD). The encapsulation was formed between SD with a (DP) over bar of 62 and ce-linolenic acid (ALA) or linoleic acid (LA) at 60 degrees C and characterized by WXRD, DSC, TGA and SEM. Under conditions which simulated the human environment of the gastrointestinal system, 21.7% and 18.5% of SD-ALA and SD-LA were released, respectively. A molecular dynamics simulation indicated that the space of helix cavity for ALA-SD complex was larger than that for LA-SD complex. This research work supports the idea that these complexes not only can improve the stability of ALA and LA, but also can achieve the targeted delivery of functional lipids or other bioactive components to the small intestine. (C) 2012 Elsevier Ltd. All rights reserved.

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[1]Can helical spring dextrin be composed of higher eight glucose units per turn?. Xu, Jin,Zhao, Wenxiu,Ning, Yawei,Bashari, Mohanad,Jin, Zhengyu,Duan, Xiang,Chen, Haiying,Wu, Fengfeng,Xu, Xueming,Xu, Baocai,Zhang, Lixia. 2013

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