期刊
FOOD CHEMISTRY
卷 355, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2021.129635
关键词
Ovalbumin; Succinylation; Microgel; Conformation; Controlled drug delivery
资金
- Special Fund for Modern Agro-Industry Technology Research System [CARS-40-K24]
The study evaluated the potential usage of acylated ovalbumin nanogels as delivery systems for curcumin. These AOVA nanogels showed improved physicochemical properties compared to NOVA nanogels, leading to higher encapsulation efficiency and slower sustained release of curcumin. The findings suggested that AOVA nanogels could serve as a novel ideal carrier for hydrophobic active compounds.
In this study, we evaluated potential usage of acylated ovalbumin (AOVA) nanogels fabricated via acylation modification and heat-induced self-assembly process as novel delivery systems for curcumin. Compared to native ovalbumin (NOVA) nanogels without chemical acylation, the obtained AOVA nanogels have shown smaller average hydrodynamic diameter (155.73 nm), relatively uniform size distribution (polydispersity index around 0.28), enhanced negative surface charge (-24.3 mV), and an improved stability under the conditions of high ionic strength, different pH and storage time. Moreover, AOVA nanogels exhibited a remarkable conformational change in secondary and tertiary structures, improved surface hydrophobicity, and increased free sulfhydryl content compared with NOVA nanogels. Moreover, curcumin encapsulated in AOVA nanogels displayed higher encapsulation efficiency (93.64%) and slower sustained release under simulated gastrointestinal conditions as compared with NOVA nanogels. Hence, we have suggested that AOVA nanogels successfully fabricated with improved physicochemical properties as a novel ideal carrier for hydrophobic active compounds.
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