[1] Ataturk Univ, Fac Pharm, Dept Pharmaceut Chem, Erzurum, Turkey
[2] Ataturk Univ, Fac Sci, Dept Chem, Erzurum, Turkey
[3] Univ Florence, Lab Chim Bioinorgan, Florence, Italy
[4] Yildirim Beyazit Univ, Fac Med, Dept Med Biol, Ankara, Turkey
[5] CNR, Ist Biochim Proteine, I-80131 Naples, Italy
[6] Univ Florence, Sez Sci Farmaceut Nutraceut, Florence, Italy