Objective:To evaluate the hypoglycemic effect of Brassica juncea(seeds) on streptozotocin induced diabetic male albino rats.Methods:Hypoglycemic activity of Brassica juncea(seeds)aqueous extract at a dose of 250,350 a...Objective:To evaluate the hypoglycemic effect of Brassica juncea(seeds) on streptozotocin induced diabetic male albino rats.Methods:Hypoglycemic activity of Brassica juncea(seeds)aqueous extract at a dose of 250,350 and 450 mg/kg body weight was evaluated.Adult male Swiss albino rats of six numbers in each group was undertaken for study and evaluated.Results:The serum insulin levels were recorded a significant depletion in all groups,short term as well as long term diabetic animals,when compared to that of normal animals.A significant dosage dependent augmenting effect of the seed extract on the serum insulin was recorded in both short term as well as long term groups.Conclusions:The aqueous seed extract of Brassica juncea has potent hypoglycemic activity in male albino rat.展开更多
Objective:To investigate the antibacterial activity and phytochemical screening of the aqueous.methanol and petroleum ether leaf extracts of Merremia emarginata(M.emarginata).Methods:The antibavterial activity of leaf...Objective:To investigate the antibacterial activity and phytochemical screening of the aqueous.methanol and petroleum ether leaf extracts of Merremia emarginata(M.emarginata).Methods:The antibavterial activity of leaf extracts of M.emarginata were evaluated by agar well diffusion method against four selected bacterial species.Results:The presence of tannins,flavonoids,amino acids,starch,glycosides and carbohydrates in the different leaf extracts was established.The methanol extract was more effective against Baciilus cereus and Eseherkhia coli,whereas aqueous extract was more effective against Staphylococcus aureus and Pseudomonas aeruginosa.Condusions:The results in the present study suggest that M.emarginata leaf can be used in treating diseases caused by the tested organisms.展开更多
Objective:To develop a simple rapid procedure for bioreduction of silver nanoparticles(AgNPs)using aqueous leaves extracts of Catharanthus roseus(C.roseus).Methods:Characterization were determined by using UV-Vis spec...Objective:To develop a simple rapid procedure for bioreduction of silver nanoparticles(AgNPs)using aqueous leaves extracts of Catharanthus roseus(C.roseus).Methods:Characterization were determined by using UV-Vis spectrophotometry,scanning electron microscopy(SEM),energy dispersive X-ray and X-ray diffraction.Results:SEM showed the formation of silver nanoparticles with an average size of 67 nm to 48 nm.X-ray diffraction analysis showed that the particles were crystalline in nature with face centered cubic geometry.Conclusions:C.roseus demonstrates strong potential for synthesis of silver nanoparticles by rapid reduction of silver ions(Ag^+ to Ag^0).This study provides evidence for developing large scale commercial production of value-added products for biomedical/nanotechnology-based industries.展开更多
文摘Objective:To evaluate the hypoglycemic effect of Brassica juncea(seeds) on streptozotocin induced diabetic male albino rats.Methods:Hypoglycemic activity of Brassica juncea(seeds)aqueous extract at a dose of 250,350 and 450 mg/kg body weight was evaluated.Adult male Swiss albino rats of six numbers in each group was undertaken for study and evaluated.Results:The serum insulin levels were recorded a significant depletion in all groups,short term as well as long term diabetic animals,when compared to that of normal animals.A significant dosage dependent augmenting effect of the seed extract on the serum insulin was recorded in both short term as well as long term groups.Conclusions:The aqueous seed extract of Brassica juncea has potent hypoglycemic activity in male albino rat.
文摘Objective:To investigate the antibacterial activity and phytochemical screening of the aqueous.methanol and petroleum ether leaf extracts of Merremia emarginata(M.emarginata).Methods:The antibavterial activity of leaf extracts of M.emarginata were evaluated by agar well diffusion method against four selected bacterial species.Results:The presence of tannins,flavonoids,amino acids,starch,glycosides and carbohydrates in the different leaf extracts was established.The methanol extract was more effective against Baciilus cereus and Eseherkhia coli,whereas aqueous extract was more effective against Staphylococcus aureus and Pseudomonas aeruginosa.Condusions:The results in the present study suggest that M.emarginata leaf can be used in treating diseases caused by the tested organisms.
文摘Objective:To develop a simple rapid procedure for bioreduction of silver nanoparticles(AgNPs)using aqueous leaves extracts of Catharanthus roseus(C.roseus).Methods:Characterization were determined by using UV-Vis spectrophotometry,scanning electron microscopy(SEM),energy dispersive X-ray and X-ray diffraction.Results:SEM showed the formation of silver nanoparticles with an average size of 67 nm to 48 nm.X-ray diffraction analysis showed that the particles were crystalline in nature with face centered cubic geometry.Conclusions:C.roseus demonstrates strong potential for synthesis of silver nanoparticles by rapid reduction of silver ions(Ag^+ to Ag^0).This study provides evidence for developing large scale commercial production of value-added products for biomedical/nanotechnology-based industries.
