نتایج جستجو برای: kojic acid
تعداد نتایج: 747462 فیلتر نتایج به سال:
In this study, we investigated the role of oxygen-derived free radicals and iron in mediating myocardial injury during ischemia and reperfusion. Iron is of special interest because it may enhance tissue injury during ischemia and reperfusion by catalyzing the formation of highly reactive hydroxyl radicals (by modified Haber-Weiss or Fenton reactions). Rat hearts, perfused by the Langendorff met...
An unambiguous picture of the interaction between the inhibitor kojic acid and a model of the dicopper active site of tyrosinase is reported. The observed binding mode probed on bacterial enzyme is confirmed and further refined by QM/MM calculations.
Biosynthesis of active secondary metabolites by fungi occurs as a specific response to the different growing environments. Changes in this environment alter the chemical and biological profiles leading to metabolites diversification and consequently to novel pharmacological applications. In this work, it was studied the influence of three parameters (fermentation length, medium composition and ...
The authors designed and synthesized 17 (2-substituted phenyl-1,3-dithiolan-4-yl) methanol (PDTM) derivatives to find a new chemical scaffold, showing excellent tyrosinase-inhibitory activity. Their tyrosinase-inhibitory activities were evaluated against mushroom tyrosinase at 50 μM, and five of the PDTM derivatives (PDTM3, PDTM7-PDTM9, and PDTM13) were found to inhibit mushroom tyrosinase more...
Tyrosinase is a key enzyme in melanin production. Therefore, tyrosinase inhibitors are used in cosmetic and medicinal industries to prevent or treat overproduction of melanin such as melasma, solar lentigo and post inflammatory melanoderma. Due to safety of natural whitening agents, in the present study, in-vitro anti-tyrosinase and in-vivo anti-melanogenesis activities of some selected red mac...
Tyrosinase is a key enzyme in melanin formation. Its inhibition crucial step for hyperpigmentation reduction. The aim of this study was to evaluate the efficacy two plant flavonoids: ellagic acid and glabradin, on tyrosinase as well their whitenning properties vivo. For reason IC50 acid, glabradin mixture reaction estimated. Kojic served reference sample. In addition vivo an emulsion with 14 pa...
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