THE PRESENCE IN PENICILLIUM FUNICULOSUM OF AN INHIBITOR TO THE ANTIVIRAL AGENT HELENINE

Abstract
The wide fluctuation observed in the antiviral activity of various crude helenine preparations may be attributable to the presence of varying amounts of inhibitor. Antiviral activity can be enhanced by removal of the inhibitor. A meaningful value for helenine titer in a preparation clearly should be determined in the inhibitor-free zone.

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