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Pickering Emulsions Simultaneously Stabilized by Starch Nanocrystals and Zein Nanoparticles: Fabrication, Characterization, and Application
Langmuir ( IF 3.7 ) Pub Date : 2021-07-05 , DOI: 10.1021/acs.langmuir.1c01088 Shengnan Tao 1 , Hang Jiang 1 , Suijing Gong 1 , Shouwei Yin 2 , Yunxing Li 1 , To Ngai 3
Langmuir ( IF 3.7 ) Pub Date : 2021-07-05 , DOI: 10.1021/acs.langmuir.1c01088 Shengnan Tao 1 , Hang Jiang 1 , Suijing Gong 1 , Shouwei Yin 2 , Yunxing Li 1 , To Ngai 3
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Using two types of colloidal particles having natural origins to synergistically stabilize Pickering emulsions is essential for food, cosmetics, and pharmaceutics, especially when neither particle can stabilize the Pickering emulsions alone. The use of two natural stabilizers avoids the complicated surface treatments of particles and the introduction of poisonous or harmful chemicals. In this work, we report an all-natural Pickering emulsion stabilized synergistically by starch nanocrystals and zein protein nanoparticles. Our result shows that the electrostatic interaction between the two types of particles greatly affects their assembled structure at the oil/water interface, which is closely related to the emulsion stability. Specifically, particle bilayers could form with oppositely charged particles at the interface to endow the emulsion with improved stability. As a demonstration, the resultant Pickering emulsions effectively carry β-carotene and have high stability against high temperatures and ultraviolet radiation. This type of all-natural Pickering emulsion is a promising tool to protect and deliver liposoluble bioactive components.
中文翻译：
淀粉纳米晶体和玉米醇溶蛋白纳米颗粒同时稳定的 Pickering 乳液：制备、表征和应用
使用两种天然来源的胶体颗粒协同稳定 Pickering 乳液对于食品、化妆品和制药来说是必不可少的，尤其是当两种颗粒都不能单独稳定 Pickering 乳液时。两种天然稳定剂的使用避免了复杂的颗粒表面处理和有毒或有害化学物质的引入。在这项工作中，我们报告了一种由淀粉纳米晶体和玉米醇溶蛋白纳米颗粒协同稳定的全天然 Pickering 乳液。我们的结果表明，两种颗粒之间的静电相互作用极大地影响了它们在油/水界面的组装结构，这与乳液稳定性密切相关。具体来说，粒子双层可以在界面处与带相反电荷的粒子形成，从而使乳液具有更高的稳定性。作为证明，所得的 Pickering 乳液有效地携带 β-胡萝卜素，并且对高温和紫外线辐射具有高稳定性。这种类型的全天然 Pickering 乳液是一种很有前途的工具，可以保护和提供脂溶性生物活性成分。
更新日期：2021-07-20
中文翻译：
淀粉纳米晶体和玉米醇溶蛋白纳米颗粒同时稳定的 Pickering 乳液：制备、表征和应用
使用两种天然来源的胶体颗粒协同稳定 Pickering 乳液对于食品、化妆品和制药来说是必不可少的，尤其是当两种颗粒都不能单独稳定 Pickering 乳液时。两种天然稳定剂的使用避免了复杂的颗粒表面处理和有毒或有害化学物质的引入。在这项工作中，我们报告了一种由淀粉纳米晶体和玉米醇溶蛋白纳米颗粒协同稳定的全天然 Pickering 乳液。我们的结果表明，两种颗粒之间的静电相互作用极大地影响了它们在油/水界面的组装结构，这与乳液稳定性密切相关。具体来说，粒子双层可以在界面处与带相反电荷的粒子形成，从而使乳液具有更高的稳定性。作为证明，所得的 Pickering 乳液有效地携带 β-胡萝卜素，并且对高温和紫外线辐射具有高稳定性。这种类型的全天然 Pickering 乳液是一种很有前途的工具，可以保护和提供脂溶性生物活性成分。
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