It is produced by the strain of Penicillum griseofulvum. It can inhibit the strains of ClassZygomycetes, Ascomycetes and Deuteromycetes (MIC is 1-20 μg/mL), It can also inhibit the crimping of the spore tube of garlic rot grape (MIC is 1 μg/mL). It has obvious inhibitory effect on metaphase mitosis of bone marrow, small intestine and Walker 256 cancer cells.