Journal: Current Bioactive Compounds Volume: 11 Issue: 1 Year: 2015 Page: 23-30 Author(s): Iris Stappen,Abbas Ali,Nurhayat Tabanca,Ikhlas A. Khan,Jurgen Wanner,Velizar K. Gochev,Virendra Singh,Brij Lal,Vikas Jaitak,Vijay K. Kaul,Erich Schmidt,Leopold Jirovetz