Phytochemical screening and antibacterial activities of Amaranthus viridis, Cynodon dactylon & Aerva sanguinolanta A preliminary investigation
Journal Title: Journal of the Indian Medical Association - Year 2018, Vol 116, Issue 8
Abstract
Dental caries is the most common microbial disease of human being. Prevention of dental caries have been attempted in various form including use of natural phytochemicals isolated from plants. So in the present study in-vitro, qualitative, phytochemical screening of three known medicinal plants ie. Amaranthus viridis, Cynodon Dactylon, Aerva sanguinolanta were performed. The result reveal the presence of alkaloids, cardiac glycoside, flavonoids, carbohydrate, protein, fat and steroid in methanolic extract of Cynodon dactylon, alkaloids & flavonoids in methanolic extract of Amaranthus viridis and Flavonoid in methanolic extract of Aerva sanguinolanta. The present study also determined the anti-microbial activity of the three same plant extracts on a specific cariogenic bacteria Streptococcus mutans (MTCC -890). The 100% & 50% methanol extract of Amaranthus viridis, Cynodon dactylon & Aerva sanguinolanta shows inhibition zone of (12.75±0.50 mm & 11.62±0.86 mm), (20.48±0.49 mm &11.62±0.86 mm), (6.97±0.73 mm & no inhibition) respectively in disc diffusion assay.
Authors and Affiliations
Shabnam Zahir, Tamal Kanti Pal, Abhijit Sengupta, Shibendu Biswas, Shyamal Bar
Keywords
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