Is it maybe due to its hard cultivation and extraction of the toxins ? or maybe how well the fungus grow ? or even its simply because not so many fungus produce such metabolites??
Extracting fungal toxins or getting a stock of fungal toxin is a huge task. Metabolites of fungi that have anticancer properties have not been reported till date. Since fungal toxins damage the body cells therefore, experiment on their anticancer properties can only be carried out under a highly fastidious controlled system. However, studies on the cytotoxic effect of fungal toxins have been reported.