Abstract
SummaryFurther studies of 2 higher plants (Narcissus tazetta L and Magnolia kobus DC) with antiviral action against lymphocytic choriomeningitis infection in mice have been reported, and the activity of a third substance, propionin, added. The anti-LCM activities of the 3 natural products have been compared with methotrexate.The authors are indebted to Dr. H. A. Chirigos, Nat. Inst. of Health, for supplying methotrexate and to Dr. Ralph F. Anderson, International Minerals & Chemical Corp., for supplying crudes containing propionin.
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