A microorganism which belongs to the genus Gliocladium and has the ability to produce stereoisomers KF-1040T4A and KF-1040T4B which are compounds represented by the following formula [I],and stereoisomers KF-1040T5A and KF-1040T5B which are compounds represented by the following formula [II],is cultivated in a culture medium to accumulate KF-1040T4A and/or KF-1040T4B and/or KF-1040T5A and/or KF-1040T5B in the culture medium, and the substance KF-1040T4A and/or KF-1040T4B and/or KF-1040T5A and/or KF-1040T5B are harvested from the culture medium. The obtained substances are useful for the prevention and treatment of the diseases relating to arteriosclerosis, obesity, thrombosis, inflammations and immunofunctional disorders.
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