Journal of Basic Microbiology 2008-04-01

A new spiroketal from Aspergillus terreus, an endophytic fungus in Opuntia ficusindica Mill.

Shao-Hua Wu, You-Wei Chen, Sheng Qin, Rong Huang

Index: J. Basic Microbiol. 48(2) , 140-2, (2008)

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Abstract

A new spiroketal, named aspergiketal (1) was isolated from the culture broth of Aspergillus terreus, an endophytic fungus in the stems of the plant Opuntia ficusindica Mill., together with two known compounds, physcion (2) and asterric acid (3). Their structures were elucidated by spectroscopic methods including 2D-NMR techniques.