Malviya Sapna

Melanin is the natural color in our skin is synthesized by melanocytes. The distribution pattern in the nearby keratinocytes and the nature of the formed melanin determine the actual color of our skin. Melanin form through the series of oxidative reaction involving the amino acid tyrosine in the presence of enzyme tyrosinase. Skin whitening agent after inhibit the activity of tyrosinase. The drawback of the quick effect was, the high cytotoxicity of hydroquinone and its huge irritation potential. So that’s why herbal medicines are currently in demand and their popularity is increasing day by day. The objective of this research is to formulate skin whitening formulation, which have ability to give whitening effect without any side effects using herbal products. Now a day’s hyperpigmentation is a major problem. As per previous literature survey it is reported that lycopene, Citric acid & Tocopherol shows significant result in skin whitening activity. It is reported that plants Tomato, Lemon & Cucumber (fruits) contain high amount of Lycopene, Citric acid & Tocopherol. So from above conclusion to hypothesize that this plants may have significant role in skin whitening. 

Ethanol-induced memory impairment in rats is a consequence of changes within the central nervous system that are secondary to impaired oxidative stress and cholinergic dysfunction. Treatment with antioxidants and cholinergic agonists are reported to produce beneficial effects in animal models. Rutin is reported to exhibit antioxidant effect and cholinesterase (ChE) inhibitor activity. However, no report is available on the influence of rutin on ethanol-induced memory impairment. Therefore, we tested its influence against cognitive dysfunction in ethanol-induced rats using Morris water maze test and Novel object recognition test. Lipid peroxidation and glutathione levels as parameter of oxidative stress and ChE activity as a marker of cholinergic function were assessed in the cerebral cortex and hippocampus. Forty five days after ethanol treated rats showed a severe deficit in learning and memory associated with increased lipid peroxidation, decreased glutathione, and elevated ChE activity. In contrast, chronic treatment with rutin (20-80 mg/kg, p.o., once a day for 45 days) and vitamin C (100 mg/kg, p.o.) improved cognitive performance, and lowered oxidative stress and ChE activity in ethanol treated rats. In conclusion, the present study demonstrates that treatment with rutin prevents the changes in oxidative stress and ChE activity, and consequently memory impairment in ethanol treated rats.