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Koninginin C: a biologically active natural product from Trichoderma koningii.

S R Parker, H G Cutler, and P R Schreiner

Biosci Biotechnol Biochem 59(6):1126-7 (1995) PMID 7612999

Koninginin C, a congener of koninginins A and B, was isolated from Trichoderma koningii fermented on a shredded wheat medium. The compound inhibited the growth of etiolated wheat coleoptiles by 100% at 10(-3) M. It was a fine, white crystalline substance with a molecular formula of C16H28O4 and a melting point of 70-72 degrees C.

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