Structural characteristics and emulsifying properties of linear dextrin/eicosapentaenoic acid composites: Effect of the degree of polymerization

文献类型： 外文期刊

第一作者： Zhu, Yuechun

作者： Zhu, Yuechun;Cheng, Tianfu;Liu, Caihua;Guo, Zengwang;Wang, Zhongjiang;Xu, Minwei;Huang, Zhaoxian;Wang, Daoying

作者机构：

关键词： EPA; LDs-EPA composites; Emulsion stability

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 270 卷

页码：

收录情况： SCI

摘要： This work aimed at building functional emulsions based on the linear dextrins (LDs) emulsion system. The gradient polyethylene glycol (PEG) precipitaion method was used to fractionate LDs into fractions with different degrees of polymerization (DP). A package, and co-precipitation procedure of LDs, and eicosapentaenoic acid (EPA) was used to fabricate LDs-EPA composites. The gas chromatograph, Fourier transform infrared spectroscopy, X-ray diffraction and differential scanning calorimetry analyses affirmed the formation of the LDs-EPA composites. The sizes of these composites were 38.55 nm, 59.14 nm to 80.62 nm, respectively, and they had good amphiphilicity. Compared with LDs, these LDs-EPA composites stabilized Pickering emulsion had higher stability and antioxidant capacity. Their emulsifying ability was positively correlated with the DP values of LDs. Furthermore, the oxidation stability results showed that LDsF(10)-EPA emulsion had the lowest lipid hydroperoxide (LHs) content, malondioxide (MDA) content and hexal concentration, which were 138.75 mmol kg(-1) oil, 15.50 mmol kg(-1) oil and 3.83 mu mol kg(-1) oil, respectively. The study provided a new idea and application values for the application of LDs in emulsion.

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