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Method for loading liposomes with soybean protein isolate hydrolysate influences the antioxidant efficiency of liposomal systems: Adding after liposomes formation or before lipid film hydration

文献类型： 外文期刊

作者： Chen, Chong 1 ; Sun-Waterhouse, Dongxiao 1 ; Zhao, Jie 1 ; Zhang, Yi 1 ; Waterhouse, Geoffrey I. N. 2 ; Lin, Lijing 3 ; Zhao, Mouming 1 ; Sun, Weizheng 1 ;

作者机构： 1.South China Univ Technol, Sch Food Sci & Engn, Guangzhou 510641, Peoples R China

2.Univ Auckland, Sch Chem Sci, Auckland 1010, New Zealand

3.Chinese Acad Trop Agr Sci, Agr Prod Proc Res Inst, Key Lab Trop Crop Prod Proc, Minist Agr & Rural Affairs, Zhanjiang 524001, Guangdong, Peoples R China

4.Hainan Key Lab Storage & Proc Fruits & Vegetables, Zhanjiang 524001, Guangdong, Peoples R China

5.Overseas Expertise Intro Ctr Discipline Innovat F, Guangzhou 510641, Peoples R China

关键词： Liposomal membrane; Electrostatic interaction; Effective absorption; Secondary structure; Protein stabilizer

期刊名称：FOOD HYDROCOLLOIDS （ 影响因子：11.504； 五年影响因子：11.357 ）

ISSN： 0268-005X

年卷期： 2022 年 129 卷

页码：

收录情况： SCI

摘要： This research investigated the method for loading liposomes with soybean protein isolate hydrolysate (SPIH) to create stable and antioxidative protein hydrolysate-containing liposomes. SPIH (SPIH-AF) prepared via a twostep hydrolysis by alcalase and flavourzyme was added at different concentrations to liposomes by two methods. More effective adsorption of SPIH-AF onto liposomal membrane occurred when it was added at 0.5 mg/ mL and distributed in both the inner and outer water phases (addition before lipid film hydration), or added at lower concentrations (< 0.192 mg/mL) and distributed in the outer water phase (addition after liposomes formation). SPIH-AF concentration and distribution directly influenced its early rate of inhibition on lipid oxidation and membrane properties. SPIH-AF in the outer water phase functioned more effectively to inhibit lipid oxidation products accumulation. The interactions between SPIH-AF and liposomes altered SPIH-AF's secondary structures. Compared with Trp-liposomes interactions, Tyr-liposomes interactions were more sensitive to SPIHAF concentration and distribution. SPIH-AF distribution affected strongly the electrostatic interactions (but weakly the hydrophobic interactions). Tyr/Trp-liposomes interactions were more powerful when SPIH-AF was located in both the inner and outer water phases at higher concentrations.

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