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Obesity is a major lifestyle disorder and it is correlated with several ailments. The prevalence of obesity has elevated over the years and it has become a global health problem. The drugs presently used for managing obesity have several side-effects associated with them such as diarrhoea, leakage of oily stools, etc. On the contrary, herbal plants and natural products are considered safe for use because they have lesser side effects. New compounds isolated from medicinal plants are screened and identified to determine their effectiveness and potential in preventing abnormal weight gain. In this review, the medicinal plants and natural materials were surveyed across the literature to cover those that have potential for managing and controlling weight gain, and their mechanism of action, active component, and experimental methodologies are also included. These herbal products can be developed as formulations for therapeutic use in obesity. The herbal plants mentioned in the review are classified based on their mechanism of action: inhibition of pancreatic lipase and appetite suppression activities. The ability to inhibit pancreatic lipase enzyme has been used to determine the effectiveness of herbal products for the prevention of abnormal weight gain because of its action on dietary fat and suppression of appetite. This review is an attempt to summarize the herbal plants and natural products that can be used to develop formulations effective in controlling weight gain and obesity.
Pyrazoline derivatives, being used as potential medicinal agents, possess many important pharmacological activities and therefore they are useful materials in drug research. A series of these derivatives HT- 1 to HT- 6 containing 5-4-(chlorophenyl)-1,3-diphenyl- 4,5-dihydro-1H-pyrazole derivatives were synthesized, structures were confirmed using melting point, IR, NMR and MS and evaluated for their antibacterial activity using disc diffusion method at concentration 2mg/ml. The reference used was Amikacin and mostly, all synthesized compounds exhibited a significant antibacterial activity against Staphylococcus aureus (MTCC No. 96) as Gram positive bacteria, Staphylococcus epidermidis(MTCC No. 435) as Gram positive and Escherichia coli (MTCC No. 739) as Gram negative bacteria. It was observed that HT-1 and HT-2 possess good antibacterial potential against S. aureus, HT- 5 against S.epidermidis and HT-1 and HT-4against E. coli.
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