Effect of Ultra-high temperature processing on the physicochemical properties and antibacterial activity of D-limonene emulsions stabilized by β-lactoglobulin/Gum arabic bilayer membranes

被引：17

作者：

Su, Jiaqi ^{[1
,2
]}

Guo, Qing ^{[1
]}

Cai, Yongjian ^{[2
]}

Wang, Teng ^{[2
]}

Mao, Like ^{[1
]}

Gao, Yanxiang ^{[1
]}

Yuan, Fang ^{[1
]}

Van der Meeren, Paul ^{[2
]}

机构：

[1] China Agr Univ, Coll Food Sci & Nutr Engn, Key Lab Precis Nutr & Food Qual, Key Lab Funct Dairy,Minist Educ, Beijing 100083, Peoples R China

[2] Univ Ghent, Fac Biosci Engn, Particle & Interfacial Technol Grp, Coupure Links 653, B-9000 Ghent, Belgium

来源：

FOOD CHEMISTRY | 2020年 / 332卷

基金：

中国国家自然科学基金; 国家重点研发计划;

关键词：

beta-Lactoglobulin; Gum arabic; D-Limonene emulsion; Physicochemical stability; UHT processability; Antimicrobial efficiency; WHEY-PROTEIN ISOLATE; ANTIMICROBIAL ACTIVITY; ESSENTIAL OIL; MICRORHEOLOGICAL PROPERTIES; ESCHERICHIA-COLI; CITRUS-SINENSIS; FLAXSEED GUM; PECTIN; SALMONELLA; MECHANISM;

D O I：

10.1016/j.foodchem.2020.127391

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

The objectives of the present work were to investigate the influence of Gum Arabic (GA) on the physicochemical properties and ultra-high temperature (UHT) processability of beta-lactoglobulin(beta-lg)-stabilized D-limonene emulsions. Moreover, we also wanted to evaluate the antimicrobial efficiency and mechanism of beta-lg-GA bilayer D-limonene emulsions. Physicochemically stable bilayer emulsions could be formed with an optimal concentration of GA (1.00 wt%), which showed a higher tolerance to both flocculation and coalescence, as well as better protective effects on D-limonene against UHT-treatment that up to 94.32% of D-limonene was retained in emulsions. Likewise, it is also noteworthy that no obvious difference in the minimal inhibitory concentration could be found between bilayer emulsions with or without UHT processing. Moreover, the antimicrobial effects of the bilayer emulsions with UHT treatment were shown to be dose-dependent, which was evidenced from the results of scanning electron microscopy and the determination of released cell constituents.

引用

页数：10

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