Antiviral Activity of Higher Plants and Propionin on Lymphocytic Choriomeningitis Infection

Abstract
Further studies of 2 higher plants (Narcissus tazetta L and Magnolia kobus DC) with antiviral action against lymphocytic choriomeningitis infection [LCM] in mice are reported, and the activity of a 3rd substance, propionin, added. The anti-LCM activities of the 3 natural products are compared with methotrexate.