in vitro antifungal activity of indirubin isolated from a south indian ethnomedicinal plant wrightia tinctoria r. br. | acalypha indica, cassia alata, lawsonia inermis, punica granatum, thespesia populnea and wrightia tinctoria are folklore medicines extensively used in the treatment of ringworm infections and skin related diseases in tamil nadu, india. | 2010 | 20691774 |