JOURNAL OF LIGHT INDUSTRY

CN 41-1437/TS  ISSN 2096-1553

Volume 34 Issue 5
September 2019
Article Contents
LIU Xingli, ZHAO Shuangli, XIAO Naiyong, et al. Effect of potato protein microgel on emulsifying properties of Pickering emulsion[J]. Journal of Light Industry, 2019, 34(5): 1-9. doi: 10.3969/j.issn.2096-1553.2019.05.001
Citation: LIU Xingli, ZHAO Shuangli, XIAO Naiyong, et al. Effect of potato protein microgel on emulsifying properties of Pickering emulsion[J]. Journal of Light Industry, 2019, 34(5): 1-9. doi: 10.3969/j.issn.2096-1553.2019.05.001 shu

Effect of potato protein microgel on emulsifying properties of Pickering emulsion

  • Received Date: 2019-08-31
  • Potato protein microgel (PPM2,PPM4,PPM6,PPM8) were prepared at different mass fractions (2%, 4%, 6%, 8%).The particle size, Zeta-potential, fluorescence characteristic, emulsifying activity, emulsion stability and microstructure of of microgel were investigated. The effect of potato protein microgel on the emulsification characteristics of Pickering emulsion was studied. The results showed that the particle size of the microgel particles increased significantly (116.31~181.99 nm) with the increase of protein fraction during microgel preparation. The Zeta-potentials of PPM2, PPM4 and PPM6 were about 30 mV and higher than that of the control group. The fluorescence intensity of PPM2, PPM4 and PPM6 was higher than that of the control group, while the fluorescence intensity of PPM8 was lower than that of the control group. Compared with the control group, the microgel significantly improved the emulsion activity and emulsion stability of the Pickering emulsion.The microstructure results showed that the surface of the control group and all potato protein microgel were smooth, the control group was spherical, the potato protein microgel was aggregated in a sheet form, and the aggregation unit was larger with the increase of the potato protein mass fraction.
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