Yes! I have very good unpublished result as endophytic fungi biotransform new compunds which have better antiaging activities in Caenorhabditis elegans model system.

Yes. Taxol and Azadirachtin are good examples.

You can try both .

I mean extra cellular as well as intracellular extracts

as Dr. Arup suggested; try both and verify that most active ones.

I thank everybody who gave me your valuable suggestions.

These fungi improve the fertility of soil but without testing you do not use for medicinal purposes , may be have more potential as medicinal properties due presence of more active enzymes