Antibacterial Properties of Enteromorpha flexuosa (Wulfen) from the Gulf of Mannar- Southeast Coast of India

The antibacterial properties of chloroform, methanol, ethanol and water extracts of marine algae Enteromorpha flexuosa (Wulfen, Chlorophyta) from Mandapam region of Gulf of Mannar Southeast coast of India were tested against Grampositive strains such as Staphylococcus aureus, Bacillus cereus and Streptococcus pyogenes Gram-negative strains Escharichia coli, Salmonella typhimurium, Proteus mirabilis and Klebsiella pneumoniae. The preliminary phytochemical analysis of extract from Enteromorpha flexuosa showed the presence of biologically active compounds namely alkaloids, flavonoids, steroids, terpenoids cardiac glycosides and tannins. Results demonstrated that methanolic extract of Enteromorpha flexuosa exhibited antibacterial activity against both Gram-positive and Gram-negative bacteria. It was observed that the extract of Enteromorpha flexuosa recorded maximum activity against Streptococcus pyogenes.

Author(s): Senthilkumar P, Durga Devi V, Minhajdeen A, Saranya RS, Sree Jaya S, and Sudha S

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