Pickering Emulsion of Composite Nanoparticle-loaded β-Carotene and Its Enzymatic Degradation Effects

doi:10.12441/spyswjs.20250808003

Home > Archive>Volume 45, Issue 4, 2026 >94-101. DOI:10.12441/spyswjs.20250808003

Pickering Emulsion of Composite Nanoparticle-loaded β-Carotene and Its Enzymatic Degradation Effects
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                        10.12441/spyswjs.20250808003
                    
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Affiliation:1China Tobacco Anhui Industrial Co., Ltd., Hefei 230088 China;2School of Food and Nutrition, Anhui Agricultural University, Hefei 230036, China;3Anhui Jiaotianxiang Biotechnology Co., Ltd., Xuancheng 241000, China
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[Objective] Carotenoid cleavage dioxygenases (CCDs) catalyze the degradation of β-carotene. However, due to the hydrophilic nature of CCDs, a system that provides biphasic enzymatic reactions is necessary to facilitate the enzymatic degradation of β-carotene. [Method] Hollow mesoporous silica-dihydromyricetin (HMS-DMY) composite nanoparticles were synthesized and used as the emulsifier to form the oil-in-water Pickering emulsion loaded with β-carotene and CCDs (HMS-DMY-E). The particle size and structure of HMS-DMY were characterized, and their influences on the particle size, microstructure, and rheology of HMS-DMY-E were investigated. Additionally, changes in the content of aroma compounds after enzymatic degradation were analyzed. [Result] HMS-DMY exhibited a particle size of 197.81 nm, a polydispersity index of 0.31, and a three-phase contact angle of 88.14°, showcasing favorable interfacial wettability for oil-water interface adsorption. HMS-DMY-E had a small particle size of 21.43 μm, which enhanced the contact area between β-carotene and CCDs, thereby promoting enzymatic degradation. The mass fractions of key aroma compounds such as β-ionone, β-cyclocitral, and dihydroactinidiolide were significantly increased after enzymatic degradation of HMS-DMY-E. [Conclusion] The Pickering emulsion prepared in this study serves as an efficient microreactor promoting the enzymatic degradation of β-carotene by CCDs and increasing the mass fractions of aroma compounds.

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DIAO Honglin, SUN Chengyi, WANG Wenbin, SHU Junsheng, ZHAO Lunxu, HE Zhaoxian, XUE Wenwen, DU Xianfeng. Pickering Emulsion of Composite Nanoparticle-loaded β-Carotene and Its Enzymatic Degradation Effects[J]. Journal of Food Science and Biotechnology,2026,45(4):94-101.

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Received:August 08,2025
Revised:September 28,2025
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Online: August 08,2026
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