Journal
JOURNAL OF FUNCTIONAL BIOMATERIALS
Volume 14, Issue 4, Pages -Publisher
MDPI
DOI: 10.3390/jfb14040198
Keywords
bentonite; ZnO; curcumin; composite; antioxidant; antidiabetes
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Green ZnO-decorated acid-activated bentonite-mediated curcumin extract (ZnO@CU/BE) is a multifunctional antioxidant and antidiabetic agent prepared using curcumin extract as a reducing and capping reagent. ZnO@CU/BE exhibits enhanced antioxidant properties and potent inhibition effects on enzymes related to diabetes. The structure shows potential as an antioxidant and antidiabetic agent.
Green ZnO-decorated acid-activated bentonite-mediated curcumin extract (ZnO@CU/BE) was prepared as a multifunctional antioxidant and antidiabetic agent based on the extract of curcumin, which was used as a reducing and capping reagent. ZnO@CU/BE showed notably enhanced antioxidant properties against nitric oxide (88.6 +/- 1.58%), 1,1-diphenyl-2-picrylhydrazil (90.2 +/- 1.76%), 2,2 '-azino-bis(3-ethylbenzothiazoline-6-sulphonic acid (87.3 +/- 1.61%), and superoxide (39.5 +/- 1.12%) radicals. These percentages are higher than the reported values of ascorbic acid as a standard and the integrated components of the structure (CU, BE/CU, and ZnO). This signifies the impact of the bentonite substrate on enhancing the solubility, stability, dispersion, and release rate of the intercalated curcumin-based phytochemicals, in addition to enhancing the exposure interface of ZnO nanoparticles. Therefore, effective antidiabetic properties were observed, with significant inhibition effects on porcine pancreatic alpha-amylase (76.8 +/- 1.87%), murine pancreatic alpha-amylase (56.5 +/- 1.67%), pancreatic alpha-glucosidase (96.5 +/- 1.07%), murine intestinal alpha-glucosidase (92.5 +/- 1.10%), and amyloglucosidase (93.7 +/- 1.55%) enzymes. These values are higher than those determined using commercial miglitol and are close to the values measured using acarbose. Hence, the structure can be applied as an antioxidant and antidiabetic agent.
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