Extracts Conc. % Viral IC50 (µg) Inhibition   SPS extracted with hot water from Spirulina 10µg 28.12 17.78 grown on medium containing 45 ppm nitrogen 20µg 28.12   SPS extracted with hot water from Spirulina 10µg 9.37 53.36 grown on medium containing 128 ppm nitrogen 20µg 12.5   SPS extracted with hot water from Spirulina 10µg 9.37 53.36 grown on medium containing 293 ppm nitrogen 20µg 25   SPS extracted with ethanol from Spirulina 10µg 25 20 grown on medium containing 45 ppm nitrogen 20µg 34.37   SPS extracted with ethanol from Spirulina 10µg 12.5 40 grown on medium containing 128 ppm nitrogen 20µg 15.6

Table 6: In-Vitro antiviral activity of sulfated polysaccharides extracts assessed on HSV1.

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