The role of micro-structures in the aqueous phase of emulsion in lipid oxidation process

文献类型: 外文期刊

第一作者: Wang, Xintian

作者: Wang, Xintian;Deng, Qianchun;Chen, Hongjian;Xu, Yingying

作者机构:

关键词: Walnut oil; Emulsions; Lipid oxidation; Phospholipid; Micro; structures

期刊名称:FOOD CHEMISTRY ( 影响因子:9.8; 五年影响因子:9.7 )

ISSN: 0308-8146

年卷期: 2025 年 464 卷

页码:

收录情况: SCI

摘要: The instability of emulsions depended on participation of many physical structures in the emulsion. The walnut oil emulsion stabilized by sunflower phospholipid was used to study the potential relationship between the micro-structures in aqueous phase and the overall physicochemical stability of the emulsion. The vesicles and micro- structures (<70 nm, containing trace amounts of triglycerides) was observed by Cryo-TEM in the aqueous phase of emulsions. The content of triglycerides decreased gradually with the instability of the emulsion. The increase of phospholipid concentration inhibited the formation of lipid hydroperoxides (LOOH). However, the degradation of LOOH occurred preferentially in the aqueous micro- structures of high concentrations of phospholipids emulsions. These micro- structures did not affect the distribution of LOOH in the initial emulsion, but affected the distribution of malondialdehyde (MDA). This study provided insights into understanding the oxidative stability of emulsions - highlighting the role of micro- structures in the aqueous phase.

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