1. Department of Pharmacognosy; University of Szeged; Eötvös u. 6 H-6720 Szeged Hungary
2. Institute of Pharmaceutical Sciences, Department of Pharmacognosy; Karl-Franzens University Graz; Universitätsplatz 4 8010 Graz Austria
3. Department of Pharmacodynamics and Biopharmacy; University of Szeged; Eötvös u. 6 H-6720 Szeged Hungary
4. Department of Pharmacognosy; University of Medicine and Pharmacy; Gh. Marinescu 38 540139 Targu Mures Romania
5. Department of Chemistry, Higher Teachers’ Training College; University of Maroua; PO Box 55 Maroua Cameroon