The present study mainly focused on green seaweeds were collected from Keelakarai, Ramanathapuram district, Tamil Nadu. The antibacterial activity of ethanol extract of four green seaweeds Caulerpa sertularioides, Enteromorpha intestinalis,Ulva lactuca, Ulva reticulata were tested against nine human bacterial pathogens viz., Bacillus cereus, Escherichia coli, Enterococcus faecalis, Klebsiella pneumonia,
Micrococcus luteus, Pseudomonas aeruginosa, Pseudomonas aureus, Salmonella typhi and Staphylococcus aureus were analysed. When compared positive control, ethanol extracts of four green seaweeds activity were considered as good.The results revealed,the present study confirmed the potential use of green seaweeds as a good source of antibacterial agent
Antipathogenic, Anti bacterial activity, Seaweed, Chlorophyceae and Human pathogen
