Fresh Mentha pulegium plant was collected from Narm village in South Khorasan, Iran. Magnesium nitrate hexahydrate (Mg (NO3)2·6H2O), Zinc nitrate hexahydrate (Zn (NO3)2·6H2O), Silver nitrate (Ag (NO3)2), Methylene blue (C16H18ClN3S), Rhodamine B (C28H31ClN2O3), and Sodium hydroxide (NaOH) were purchased from Merck and Sigma Companies.
Free full text: Click here