期刊
MATERIALS
卷 14, 期 4, 页码 -出版社
MDPI
DOI: 10.3390/ma14040824
关键词
Dendropanax morbifera; zinc nanoparticle; nanoemulsion; tryptophan; RAW 264; 7 cell lines
类别
资金
- Korea Institute of Planning and Evaluation for Technology in Food, Agriculture, Forestry and Fisheries (KIPET) [320104-3]
The green synthesis of metal nanoparticles from medicinal plants, particularly using Dendropanax morbifera (DM) as a capping agent for zinc ions and co-loading it with tryptophan, shows promising results in reducing lipid accumulation in adipocytes and combating obesity. This novel method demonstrates low toxicity and stable formulation, providing opportunities for further research in treating obesity and associated disorders.
Green synthesis of metal nanoparticles from medicinal plants has provided a broad scope in biomedical research and functional food formulations due to low toxicity. Dendropanax morbifera (DM) is a versatile traditional medicine used for various inflammatory diseases due to its extensive antioxidant activity. We investigated DM as a natural capping agent for Zn2+ ions and coloaded it with tryptophan for its penetration and antiobesity behavior. DM zinc oxide nanoparticles (DM-ZnO NPs) were prepared and then entrapped with tryptophan (DM-ZnO-Try nanoemulsion (NE)) for stable formulation using the O/W nanoemulsion method. The hydrodynamic sizes measured by dynamic light scattering for DM-ZnO NPs and DM-ZnO-Try NE are about 146.26 +/- 3.31 and 151.16 +/- 3.59 nm, respectively. TEM and SEM reveal its morphology. In vitro analysis on both NPs and NE was non-toxic to RAW 264.7 and 3T3-L1 preadipocyte cell line. It significantly reduced the accumulated lipids through lipolysis performed at 10 ug/mL in 3T3-L1 preadipocyte cells. NE suppresses the differentiation of 3T3-L1 adipocytes and lowers triglycerides. Further, the substantial reduction of lipid content is evident with Oil Red O staining and OD measurement. In this present study, the synergetic effect of DM-ZnO NPs and tryptophan is reported, which provides a way for more detailed research on its efficacy for obesity and obesity-associated disorders.
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