Determination of Antioxidant Properties of Mentha longifolia, Pistacia khinjuk and Eucalyptus globulus

There is an increasing attention to using medicinal plants due to their beneficial effect on human health. The antioxidant properties of medicinal plants have prompted investigators to use them in the food and pharmaceutical industries. Hence, in this study we sought to evaluate antioxidant properties of Mentha longifolia, Pistacia khinjuk and Eucalyptus globulus. Aerial parts of these plants were dried and ground. Then, plant samples were prepared using homogenizing plant powders in methanol solution. Finally, the total antioxidant capacity of the plants was assessed by ferric iron reducing antioxidant power (FRAP) assay. The results showed that the total antioxidant capacity was found as ۲.۲۱, ۰.۷۸ and ۷ mmol Fe۲+ L-۱ for P. khinjuk and E. globulus, respectively. Based on our findings, these plants showed a potent antioxidant activity. It is recommended that utilization of M. longifolia, P. khinjuk and E. globulus in food and pharmaceutical industries could possibly possess beneficial health effects.

Keywords:

Antioxidant activity , Medicinal plants , Mentha longifolia , Pistacia khinjuk , Eucalyptus globulus