Acknowledgements: We would like to thank the Editor-in-Chief V. Sambamurthy and the three reviewers for their most helpful suggestions for improving the paper. We would also like to thank Peer Fiss for his very helpful comments.
Ergone,a fungal metabolite derived from ergosterol,was previously isolated and identified from Polyporus umbellatus. Ergone is a major component of P. umbellatus known to have anti-aldosteronic diuretic effect and also displays cytotoxic activities. Most of mushroom's fruit bodies used for test contained less than 10 µg/g of ergone. But P. umbellatus have… (More)