ANTIVIRAL AGENT Russian patent published in 2010 - IPC A61K36/03 A61P31/12 

FIELD: medicine.

SUBSTANCE: invention refers to chemical-pharmaceutical industry, namely to preparation of an antiviral agent of brown algae. The antiviral agent contains fucoidane made of brown aglae fucus or laminaria and representind a salt solution to 30 kDa of vegetative polysaccharide complex concentrated 0.01-15% containing fucoidane, laminarane and alginate made of brown aglae fucus or laminaria, with the salt solution containing a preserving agent from the group: sodium benzoate concentrated 0.01-0.3%, or potassium sorbate concentrated 0.02-0.3% or formaldehyde concentrated 0.01-0.3%, and as a salt solution, it contains an aqueous solution of sodium chloride concentrated 0.85-0.95% - the rest. The vegetative polysaccharide complex contains fucoidane, laminarane and alginate in any ratio, preferentially the vegetative polysaccharide complex contains fucoidane concentrated 10-99.9%.

EFFECT: extended range of antiviral activity with respect to: herpes virus types 1 and 2, cytomegalovirus, adenovirus, hepatitis C virus without expressed by-effects.

3 cl