Biochemical and Antibacterial Studies on Green Algae of Visakhapatnam Coast

ISSN: 0973-7510

E-ISSN: 2581-690X

S.V. Rajagopal¹ , A. Prasada Rao¹, B.V. Raman¹, M. Rama Rao², A. Uma Sankar³, A. Sunitha Kumari¹ and K. Siva Kumar¹

¹Department of Biotechnology, GITAM Institute of Science, GITAM University, Visakhapatnam – 530 045, India.

²Department of Biochemistry, GITAM Institute of Science, GITAM University, Visakhapatnam – 530 045, India.

³Department of Microbiology, GITAM Institute of Science, GITAM University, Visakhapatnam – 530 045, India.

J Pure Appl Microbiol. 2008;2(2):573-578

Received: 26/05/2008 | Accepted: 04/07/2008 | Published: 31/10/2008

Abstract

Biochemical and antibacterial activities were investigated with the crude extracts of five green algal species viz., Ulva fasciata, Enteromorpha compressa, Caulerpa racemosa, Caulerpa taxifolia and Cladophora patentiramea to evaluate the total carbohydrate, protein and lipid content and their antibacterial activity against gram positive and gram negative bacteria. Carbohydrate content was found to be high in U. fasciata and C. racemosa, whereas protein and lipid contents were high in Caulerpa species. Chloroform – methanol, n-butanol and diethyl ether extracts of all five green algal species showed different levels of antibacterial activity against Escheriachia coli, Klebsiella pneumonia, Staphylococcus aureus and Bacillus subtilis.

Keywords

Green algae, Antibacterial activity, Biochemical studies, Visakhapatnam seacoast

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