アントシアニン-ケルセチン共顔料化によるリポソーム内包の強化:メカニズム、二層間相互作用、および持続放出性能
Bowen Luo1, Xiang Li2, Xiuyu Jiang2
1Collaborative Innovation Center of Fragrance Flavour and Cosmetics, Shanghai 201418, China; Faculty of Flavour Fragrance and Cosmetics, Shanghai Institute of Technology, Shanghai 201418, China.
Food chemistry
|January 23, 2026
まとめ
共顔料化は、疎水性を高めることにより、アントシアニン(ACN)のリポソーム送達を強化します。この新しい戦略は、ACNおよびその他の親水性化合物の内包効率と持続放出を改善します。
科学分野:
- 生化学
- 材料科学
- 製剤学
背景:
- 従来の脂質製剤調製法では、親水性化合物の効果的な内包に苦労しています。
- 価値のある生理活性化合物であるアントシアニン(ACN)は、その親水性のため、安定性と送達性が低いことがよくあります。
研究 の 目的:
- アントシアニン(ACN)のリポソーム送達を強化するための非共有結合戦略として共顔料化を調査すること。
- ケルセチン(QTI)を使用してACNの疎水性修飾を行い、内包効率と持続放出特性を改善すること。
主な方法:
- アントシアニン(ACN)とケルセチン(QTI)の共顔料化による疎水性複合体の形成。
- ACN@QTI複合体を内包するためのポリオール希釈法を用いたリポソームの調製。
- FTIR、DSC、蛍光分光法を用いたリポソームの特性評価。
- 持続放出性能を評価するためのインビトロ放出研究。
主要な成果:
- 共顔料化は、π-πスタッキングおよび疎水性相互作用を介して安定なACN@QTI複合体を形成し、ACNの疎水性を強化しました。
- リポソームは、内包効率が大幅に高く(81.5±0.6%)、粒子径が166.4±7.9 nmであるACN@QTI複合体を内包しました。
- 分光分析により、ACN@QTI複合体とリポソーム膜との間の相互作用がより強いことが確認されました。
- インビトロ放出研究により、修飾リポソームの優れた持続放出能力が実証されました。
結論:
- 共顔料化は、アントシアニンのような親水性生理活性物質のリポソーム内包を改善するための実用的かつ効果的な非共有結合戦略です。
- このアプローチは、ACNの安定性と送達性を向上させ、食品および製薬業界での応用が期待されます。
- この発見は、リポソームを介した様々な水溶性化合物の送達を改善するための共顔料化の利用の基礎を提供します。
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