期刊
LWT-FOOD SCIENCE AND TECHNOLOGY
卷 84, 期 -, 页码 34-46出版社
ELSEVIER
DOI: 10.1016/j.lwt.2017.04.074
关键词
Curcumin; Nanoemulsion; Microstructure; Storage stability
资金
- National Training Program of Innovation and Entrepreneurship for Undergraduates [201610019044]
- National Natural Science Foundation of China [31371836]
- Beijing Advanced Innovation Center for Food Nutrition and Human Health
curcumin is a natural food coloring agent with many pharmacological effects such as anti-oxidation and anti-cancer. In this study, curcumin was dissolved in different oil phases (medium chain triglyceride, canola oil and linseed oil) by different treatments (heat, ultrasonic and microwave). Curcumin nanoemulsions stabilized by different emulsifiers (Tween-80, lecithin, whey protein isolation and acacia) with different concentrations were prepared using high pressure homogenization to evaluate physicochemical properties including curcumin content, particle size, potential, physical stability and storage stability (variation of curcumin content and particle size under different temperatures in 60 days). The increase in oil phase concentration caused increase in curcumin content, particle size and viscosity of the emulsions but decrease in stability. Meanwhile, temperature significantly affected the stability of nanoemulsion stabilized by lecithin instead of Tween-80. Curcumin nanoemulsion could achieve the maximum curcumin content when choosing medium chain triglyceride as its oil phase. These results may broaden the application of curcumin in food industry for improving its solubility and bioavailability. (C) 2017 Published by Elsevier Ltd.
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