[1] Hacettepe Univ, Dept Pharmacognosy, Fac Pharm, TR-06100 Ankara, Turkey
[2] Johannes Gutenberg Univ Mainz, Inst Pharm & Biochem, Dept Pharmaceut Biol, Staudinger Weg 5, D-55128 Mainz, Germany
[3] Ataturk Univ, Dept Pharmacognosy, Fac Pharm, TR-25240 Erzurum, Turkey