表面活性剂和二氧化硅纳米颗粒协同稳定的Pickering乳液用于提高花青素稳定性

doi:10.3969/j.issn.2097-2806.2026.06.002

Abstract

Abstract:

To address the practical challenge of activity loss in anthocyanins and other bioactive compounds in application, a Pickering emulsion system co-stabilized by silica nanoparticles （SiO₂ NPs） and Span 80 via electrostatic adsorption is developed to enhance anthocyanin stability. The co-stabilized Pickering emulsion achieves an anthocyanin encapsulation efficiency of 98.5%. Under ultraviolet irradiation, the anthocyanin retention rate in the co-stabilized emulsion is 1.4 times, 3.3 times, and 36.9 times higher than that in the SiO₂ NP-stabilized Pickering emulsion, Span 80-stabilized emulsion, and free anthocyanin solution, respectively. The co-stabilized Pickering emulsion also demonstrates excellent storage stability, with a minimal increase in droplet size of only 38.2 μm after 21 days of storage at 37 ℃, significantly lower than the increases of the SiO₂ NP-stabilized Pickering emulsion （94.6 μm） and the Span 80-stabilized emulsion （263.3 μm）. These results indicate that the synergistic interaction between SiO₂ NPs and Span 80 not only improves the stability of the Pickering emulsion but also enhances the photostability of anthocyanins. This study provides a promising platform for improving the stability of active ingredients in the daily chemical industry.

Key words: Pickering emulsion, anthocyanins, nanoparticles, surfactant, stability

CLC Number:

TQ423

Shu Zhou, Zhiyong Luo, Yiyue Wang, Yuyao Wan, Sa Zeng, Tao Meng. Pickering emulsions stabilized by silica nanoparticles in combination with surfactant for the enhancement of the stability of anthocyanins[J].China Surfactant Detergent & Cosmetics, 2026, 56(6): 706-716.

Figures/Tables 7

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References 24

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Pickering emulsions stabilized by silica nanoparticles in combination with surfactant for the enhancement of the stability of anthocyanins

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