维生素C多重乳状液的制备及其稳定性研究

兰宏兵; 余述燕; 黄秋荣; 麻怡; 梁雯敏; 尹志刚

doi:10.3969/j.issn.2096-1553.2019.04.007

July 2019

Article Contents

LAN Hongbing, YU Shuyan, HUANG Qiurong, et al. Study on the preparation and stability of Vitamin C multiple emulsions[J]. Journal of Light Industry, 2019, 34(4): 43-51. doi: 10.3969/j.issn.2096-1553.2019.04.007

Citation: LAN Hongbing, YU Shuyan, HUANG Qiurong, et al. Study on the preparation and stability of Vitamin C multiple emulsions[J]. Journal of Light Industry, 2019, 34(4): 43-51. doi: 10.3969/j.issn.2096-1553.2019.04.007 shu

Study on the preparation and stability of Vitamin C multiple emulsions

College of Material and Chemical Engineering, Zhengzhou University of Light Industry, Zhengzhou 450001, China

Received Date: 2019-04-23

Abstract

Through two-step emulsification method,the multiple emulsions were firstly prepared with paraffin as internal oil phase,Tween-80 as hydrophilic emulsifier and gelatin as thickener,and then were used to encapsulate Vitamin C.The effect of various parameters on the stability of multiple emulsions was investigated by determining the volume changes after centrifugation and the encapsulation changes of Vitamin C during two weeks.These factors included the species and amount of emulsifier,the dosage ratio of two phases,emulsion temperature,homogenization speed and the dosage of polymer,three of which were most influential.The optimal formula and preparation process were obtained through orthogonal experiment,that was,Tween-80 and P135 as foreign and internal emulsifiers,respectively,the mass ratio of Tween-80 was 2%, the dosage of external phase was 1.0, and the emulsification temperature was 45℃,homogeneous speed was 2000 r/min,gelatin dosage was 0.5%.Under this condition, the relative volume ratio of multiple emulsions was 0.966 4, the performance was stable, and the encapsulation rate of Vitamin C could reach 98%,and the multiple emulsions had a satisfactory package stability.
- Vitamin C,
- multiple emulsions,
- stability,
- encapsulation rate
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Study on the preparation and stability of Vitamin C multiple emulsions

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