Abstract
Objective: To evaluate the antibacterial efficiency of the seaweed, Sargassum muticum (S. muticum) collected from Pudumadam, Ramanathapuram, Tamil Nadu, India. Methods: Crude solvent extracts of S. muticum were obtained by using Soxhlet extraction and the solvents like acetone, methanol and chloroform. These different extracts were tested against different human bacterial pathogens such as Micrococcus sp., Staphylococcus aureus (methicillin resistance), Salmonella paratyphi B, Staphylococcus epidermis (3615), Enterobacter aerogenus (111), Klebsiella pneumonia (109), Shigella fleschneri (1457) (S. fleschneri), Proteus vulgaris (1771), Staphylococcus aureus (96) and Salmonella typhymurium (SP7) which were obtained from Microbial Type Culture Collection, Indian Institute of Microbial Technology, Chandigarh, India. Results: The results revealed that acetone extract had unveiled the maximum of 11 mm zone of inhibition at 40 µL against S. fleschneri. Similar zone of inhibition (11 mm) was also observed at 50 µL against Micrococcus sp. and S. fleschneri. Followed by acetone extract, chloroform extract also contributed 11 mm zone of inhibition against S. fleschneri and Salmonella paratyphi B at 40 and 50 µL respectively. Besides, methanol extracts revealed meager antibacterial activity (9 mm). Conclusions: The present investigation suggests that the phytochemical constituent of the S. muticum might be suitable agents for the control of human deadly diseases. Peer reviewer
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