G. Surendiran

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M. Jayaprakashvel

AMET University

K. Selvanayagi

Adil Hussain

Abdul Wali Khan University Mardan

R.Kumar Guru

Indian Institute of Chemical Technology

Altaf Hussain

Islamia University of Bahawalpur

M. Vanitha

Padjadjaran University

P. Ashok Kumar

University of Lucknow

Yashika Chelvan

AMET University

Swarnakala Swarnakala

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AMET University

Abdul Wali Khan University Mardan

Kyungpook National University

Galgotias University

University of Malakand

Veer Kunwar Singh University

Bihar Agricultural University

Central Rice Research Institute

Ravenshaw University

Central Agricultural University

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Characterization of Antibacterial Phytochemicals from Three Coastal Sand Dunes in Chennai Beaches

Biosciences Biotechnology Research Asia (2014)

M. Jayaprakashvel Swarnakala Swarnakala G. Surendiran M. Vanitha Altaf Hussain

Ipomoea sp and Spinifex sp most widely distributed salt tolerant plants and usually thrive in harsh condition .The present investigation was carried out to determine the antibacterial activity as well as phytochemical analysis using a GC-MS technique.The different solvent extracts ( ethyl acetate and methanol) of the plant were tested for antibacterial activity against human pathogens.The result highlighted that the antibacterial activity of ethyl acetate extract of Spinifex sp. panicle was especially active against P. aeruginosa(mean ; 21mm) and E. faecalis(mean ; 17mm). The extract concentration providing 50% inhibition (IC50) was calculated from the graph of inhibition percentage plotted against extract concentration (25-250 μg/mL) and IC50 is found to be 100 μg/mL which showed 53.3% inhibition ( 0.035 O.D) for E .faecalis. IC50 is found to be 225 μg/mL which showed 55.35% inhibition( 0.025 O.D) for P. aeruginosa. The phytochemical analysis of the crude extract revealed the presence of alkaloid, flavonoid, sugar, anthraquinones, saponines and phenolic compounds.In TLC, prominent bands were obsevered in Hexane and ethyl acetate combination of concentration 6:4.In bioautography, a clear zone was seen in the E. faecalis plate amended with agar.

Sand dune stabilization

10.13005/bbra/1417

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Antagonistic Mechanism of Probiotic Lactobacillus against Sea Food and Human Pathogenic Bacteria

Biosciences Biotechnology Research Asia (2014)

M. Jayaprakashvel R.Kumar Guru G. Surendiran Yashika Chelvan P. Ashok Kumar

1Department of Marine Biotechnology, AMET University (u/s 3 of UGC Act 1956), 135, East Coast Road, Kanathur, Chennai-603112, India. 2Centre for Marine Bioprospecting, AMET University (u/s 3 of UGC Act 1956), 135, East Coast Road, Kanathur, Chennai-603112, India. 3PG and Research Department of Microbiology, Sengunthar Arts and Science College, Tiruchengode-637 205, India. 4Department of Pharmacy, University of Manitoba, Winnipeg, Canada.

Pathogenic bacteria

10.13005/bbra/1390

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