Preparation, antibacterial and antioxidant properties of green tea seed oil nanoemulsions by self-emulsification method

Micro & nano letters

article

Wei Xu¹  Dandan Zhu¹  Bin Xu⁴  Lu Huang¹  Yongzhao Xiong¹  Peipei Ge¹  Zhao Wang¹ 

[1] College of Life Science, Xinyang Normal University;Tea Plant Biology Key Laboratory of Henan Province;Institute for Conservation and Utilization of Agro-Bioresources in Dabie Mountains;Henan Key Laboratory of Industrial Microbial Resources and Fermentation Technology

关键词: food processing industry;    health and safety;    nanofabrication;    emulsions;    antibacterial activity;    surfactants;    vegetable oils;    food products;    self-emulsification method;    surfactant composition;    total antioxidant capacity;    nutritional benefits;    green tea seed oil nanoemulsion preparation;    functional food-grade ingredients design;    inhibition zone;    food products;    in vitro antibacterial assay;    DPPH assay;   

DOI  :  10.1049/mnl.2019.0185

学科分类：计算机科学（综合）

来源: Wiley

【 摘 要 】

Application of tea oil in food products has been gained more and more attention for its nutritional advantages and functional properties. This research fabricated green tea seed oil nanoemulsions by the self-emulsification method through variation of oil and surfactant composition. Finally, in vitro antibacterial assay and antioxidant properties were investigated. The results showed that the sizes could be regulated through surfactant content (5–15 wt%) and composition (HLB 10.72–13.93) from 16.44 ± 0.01 nm to 329 ± 4.74 nm. With the increase of the content of green tea seed oil, the DPPH and total antioxidant capacity of the nanoemulsions were gradually improved. Meanwhile, the antibacterial assay was enhanced as the content of green tea seed oil increased from 0.5 to 1.5%. The inhibition zone increased continually to 7.56 ± 0.40 mm and 6.85 ± 0.59 mm when 1.5% oil was provided. The results could provide a reference to essential oils in the design of functional food-grade ingredients.

【 授权许可】

CC BY|CC BY-ND|CC BY-NC|CC BY-NC-ND