1. Department of Chemistry and Chemical Engineering, 4 Mamaia Blvd., Ovidius University of Constanta, 900527 Constanta, Romania
2. Department of Natural Sciences, Faculty of Natural and Agricultural Sciences 1, Ovidius University of Constanta, University Street, 900527 Constanta, Romania
3. S.C. Dan-Elis SRL, Product Manufacturing, 9 Dobrogei Street, 907285 Topraisar, Romania
4. Clinical Laboratory and Food Hygiene Department, Faculty of Pharmacy, ”Carol Davila” University of Medicine and Pharmacy, 3-6 Traian Vuia Street, 020956 Bucharest, Romania