ISSN: 2249–9504
CAS CODEN: IJPCDX

ANTIMICROBIAL EVALUATION OF THE ORGANIC EXTRACTS OF SARGASSUM WIGHTII (BROWN ALGAE) AND KAPPAPHYCUS ALWAREZII (RED ALGAE) COLLECTED FROM THE COAST OF MEEMESAL, TAMILNADU

Abstract

Author(s): M.Arputha Bibiana*,K.Nithya,MS.Manikandan, P.Selvamani and S.Latha

Marine organisms are rich source of structurally novel and biologically active metabolites. Secondary or primary metabolites produced by these organisms may be potential bioactive compounds of interest in the pharmaceutical industry.The secondary metabolites of seaweed sources from oceans are also equally effective like the marine fauna.The present study was investigated to explore the antimicrobial effect of the organic extracts of the two seaweeds Sargassum wightii (Brown algae) and Kappaphycus alwarezii (Red algae). The solvent systems used for the preparation of the extracts are diethyl ether, acetone, petroleum ether and acetic acid. The extracts of both the seaweeds are concentrated in a rotary evaporator and the concentrates were stored in refrigerator for further use. Trace amount of protein and strong positive results for carbohydrate content of the extracts were qualitatively analyzed. The extracts showed the presence of phytochemical constituents like alkaloids, phenols and sugars. Among the tested extracts, the maximum activity of 10mm was observed with acetic acid extract of S.wightiiand almost all the tested microbes showed activity against the tested extracts. The presence of activity might be due to the presence of phyto components alkaloids, phenols and sugars

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