Abstract
Depression is a mental disorder characterized by low mood as the main pathological feature. Current medications for depression have long treatment cycles and serious side effects. Aromatherapy can alleviate depression in a "moistening things silently" way, but the fast evaporation rate of aromatic drugs weakens the effect of aromatherapy. In this study, we designed and prepared nano-aromatic drugs with slow release for anti-depressant application. We first synthesized rod-shaped mesoporous silica nanoparticles (MSNs) and encapsulated bergamot essential oil. These nanoaromatic drugs were named BEO@MSNs. Subsequently, we analyzed the pore properties of MSNs and BEO@MSNs. Further, we explored the thermal stability, encapsulation efficiency, and slow-release properties of bergamot essential oil in BEO@MSNs. Finally, we used BEO@MSNs to alleviate depression in mice while constructing depression model mice via corticosterone. The results showed that BEO@MSNs had excellent anti-depressant effects and biosafety.
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