Chemical Determination of Leucogenenol and Its Production by Penicillium gilmanii

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RESUMO

A method for the quantitative determination of leucogenenol, a leucocytosis-inducing compound produced by Penicillium gilmanii, has been developed. The formation of leucogenenol in P. gilmanii and its diffusion into the culture fluid has been followed over a period of 12 weeks. The highest concentration of leucogenenol was found in the mycelium of rapidly growing cultures. The greatest concentration occurred in the culture fluid, however, after cessation of rapid growth. The concentration of leucogenenol in the mycelium of cultures over 4 weeks old fluctuated widely. This fluctuation was apparently due to the formation and rapid growth of daughter colonies.

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