SCREENING OF ANTIVIRAL ACTIVITY OF THE CHOSEN SEAWEED EXTRACTD. JENILARANI, M. MILLICENT MABEL, N. PARTHASARATHY AND A. UMAAbstract Seaweeds are possessed anti-viral properties that was designed to evaluate the antiviral properties of selected seaweeds namely, Enteromorpha sp., Ulva sp.and Sargassum sp. in controlling the White Spot Syndrome disease in shrimp. In the present investigation found the viral infection cannot be completely inhibited, the methanol extract from Enteromorpha sp. reduced the effect of the virus up to its 3rd dilution (200mg with 400mL medium/well) against WSSV. The peeling off of cells was observed to be lesser in the infected cells treated with the extract in this concentration when compared to the wells infected with WSSV (virus control). The significant anti-viral activity was observed up to its 3rd dilution in Ulva sp. extracted with chloroform and at 4th and 5th dilutions in Ulva sp. extracted with hexane.
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