Trachyspic Acid, a New Metabolite Produced by Talaromyces trachyspermus, that Inhibits Tumor Cell Heparanase: Taxonomy of the Producing Strain, Fermentation, Isolation, Structural Elucidation, and Biological Activity

Abstract

Trachyspic acid, a new metabolite that inhibited heparanase, was isolated from the culture broth of Talaromyces trachyspermus SANK 12191. Its structure was deduced from NMR spectral analyses and chemical reactions as a tricarboxylic acid derivative containing a spiroketal. The IC50 value of trachyspic acid against heparanase was 36 μm. © 1995, JAPAN ANTIBIOTICS RESEARCH ASSOCIATION. All rights reserved.