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Articles by M. Kaneria
Total Records ( 2 ) for M. Kaneria
  S. Chanda , R. Dave and M. Kaneria
  The main goal of this study was to determine the antioxidant activity of twelve medicinal plants (Averrhoa carambola (Oxalidaceae), Buchanania lanzan (Anacardiaceae), Calophyllum inophyllum (Clusiaceae), Celastras peniculatus (Celastraceae), Clerodendron multiflorum (Verbenaceae), Luffa acutangula (Cucurbitaceae), Morinda citrifolia (Rubiaceae), Ocimum gratissimum (Lamiaceae), Paltophorum ferrugineum (Papillionaceae), Phyllanthus fraternus (Euphorbiaceae), Triumfetta rotundifolia (Tilliaceae), Ziziphus nummularia (Rhamnaceae) belonging to different families. Antioxidant activity was determined by using different methods like DPPH (2,2’-Diphynyl, 1-picrylhydrazyl) free radical scavenging assay, hydroxyl radical scavenging assay, superoxide anion radical scavenging assay and reducing capacity assessment. The plants were extracted individually by cold percolation method using different organic solvents (petroleum ether, acetone and methanol) depending on their polarity. Ascorbic acid was used as standard to determine DPPH free radical scavenging activity and reducing capacity assessment. Gallic acid was used as standard to determine hydroxyl radical scavenging activity and superoxide anion radical scavenging activity. Amongst the twelve plants studied, acetone and methanolic extract of Paltophorum ferrugineum showed the best radical scavenging activity and reducing capacity assessment.
  S. Chanda , M. Kaneria and R. Nair
  Aim of the present study was to screen thirteen plants for their in vitro antibacterial potentiality. The antibacterial activity of aqueous and methanolic extracts of the plants was evaluated against 5 microorganisms by agar well diffusion method. The screening experiments showed that 92% of the plants were active against gram positive bacteria while only 54% of plants were active against Gram negative bacteria. Amongst the 13 plants screened, Psoralea corylifolia showed best antibacterial activity and hence this plant was selected for further studies. The seed and aerial parts of Psoralea corylifolia was extracted successively using a series of various organic solvents. The antibacterial activity of these extracts was done against 5 microorganisms by agar disc diffusion method. All the extracts of seed and aerial parts were active against S. epidermidis and P. morganii while none of the extracts were active against A. fecalis. Maximum antibacterial activity was shown by dioxan extract of the seed. The present findings suggest that the dioxan extract of seed of P. corylifolia can be used as a promising novel antibacterial agent in the near future.
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