1. Ataturk University Faculty of Science Department of Chemistry 25240- Erzurum Turkey
2. Erzincan University Faculty of Science Department of Chemistry 24100 Erzincan Turkey
3. Gumushane University Faculty of Engineering and Natural Science Department of Food Engineering 29100 Gümüşhane Turkey
4. Erzincan University Faculty of Science Department of Biology 24100 Erzincan Turkey
5. Ataturk University Faculty of Pharmacy Department of Analytical Chemistry 25240 Erzurum Turkey