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Prakash Williams, G.
- Screening of Indian Coastal Plant Extracts for Larvicidal Activity of Culex Quinquefasciatus
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Authors
Affiliations
1 School of Marine Sciences, Div. of Marine Pharmaceutical Technol., Dept .of Oceanography & Coastal Area Studies, Alagappa University, Thondi- 623 409, Ramanathapuram District, Tamil Nadu, IN
2 Dept. of Microbiology, Malankara Catholic College, Mariagiri, Kanyakumari District, Tamil Nadu, IN
1 School of Marine Sciences, Div. of Marine Pharmaceutical Technol., Dept .of Oceanography & Coastal Area Studies, Alagappa University, Thondi- 623 409, Ramanathapuram District, Tamil Nadu, IN
2 Dept. of Microbiology, Malankara Catholic College, Mariagiri, Kanyakumari District, Tamil Nadu, IN
Source
Indian Journal of Science and Technology, Vol 2, No 3 (2009), Pagination: 24-27Abstract
Emergence of resistance among mosquitoes is recent problem. Safe and ecofriendly agents from biological origins is need of the hour. Extracts of 100 coastal plants species from South West coast of India were tested for the larvicidal activity of Culex quinquefasciatus. Of these, 17 plant species showed LC50 within 100 mg.l-1. The extracts of Cymbopogon citratus and Abrus precatorius were found most effective with LC50 value of 24 and 30 mg.l-1, respectively.Keywords
Abrus Precatorius, Coastal Plants, Culex Quinquefasiatus, Cymbopogon Citratus, Mosquito Larvicidal Activity, South West Coast of IndiaFull Text
References
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- Antibacterial Activity and Phytochemical Analysis of Selected Bryophytes against Penicillin Resiatant Bacterial Pathogens
Abstract Views :319 |
PDF Views:8
Authors
Prasanth G. Williams
1,
M. Reginald Appavoo
1,
N. D. Brijith Lal
2,
Athira Aravind
2,
G. Prakash Williams
2
Affiliations
1 Research Department of Botany, Scott Christian College (Autonomous), Nagercoil-3, IN
2 P.G. Department of Botany and Biotechnology, Bishop Moore College, Mavelikara- 690110, IN
1 Research Department of Botany, Scott Christian College (Autonomous), Nagercoil-3, IN
2 P.G. Department of Botany and Biotechnology, Bishop Moore College, Mavelikara- 690110, IN
Source
South Indian Journal of Biological Sciences, Vol 2, No 3 (2016), Pagination: 347-353Abstract
Resistance to Penicillin drugs is a global concern. Medicinal plant products provide unlimited opportunities for new drug leads because of the unmatched availability of chemical diversity. There is a continuous and urgent need to discover new antimicrobial compounds from the lower plant forms like bryophytes against new and re-emerging drug resistant infectious diseases. In this study, the collected epiphytic bryophytes Pogonatum microstomum (Schwaegr.) Brid, Fissidens brevinervis (Broth.) and Pallavicinia lyelli (Hook) were tested against Penicillin resistant bacterial pathogens. They were extracted by percolation method using various solvents like acetone, ethyl acetate and distilled water. The antimicrobial activity was evaluated against the different penicillin resistant pathogenic bacterial strains using agar well diffusion method. The bryophyte extracts showed remarkable inhibitory activity against bacterial pathogens. The extracts were further screened for phytochemical studies and they revealed the presence of alkaloids, flavonoids, phenol, proteins and amino acids, resins, saponins, steroids, tannins, xanthoproteins and sugars. The antimicrobial activities of bryophytes may be due to the presence of various secondary metabolites, which may enhance at the high altitudes.Keywords
Antibacterial Activity, Bryophytes, Penicillin Resistance, Phytochemical Screening.Full Text
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