Abstract
Ten medicinal rice cultivars collected from South Indian states were investigated and compared for their phytochemical composition, nutrient content, antioxidant activity and reducing power. From the phytochemical analysis, Kullakar showed the highest flavonoid (176 ± 6.12 g/mL) content, whereas Njavara yellow had the highest phenol (152 ± 3.80 g/mL) content. The antioxidant properties and reducing power of the rice varieties were found out. Ambimohar and Njavara yellow showed the highest reducing power and Ambimohar had the highest antioxidant property. The total protein content was high in Njavara yellow (10.92 ± 0.28%). Hakkalasali, Njavara black and Chennellu showed the highest carbohydrate content (74.5 ± 2.65%). The medicinal rice Kullakar showed high thiamine content (0.53 ± 0.01 mg/100 g), while the riboflavin and niacin content was high in Karikalaveya (0.08 ± 0.01 mg/100 g and 16 ± 0.58 mg/100 g respectively). The present study shows that the ten medicinal rice cultivars possess phytochemical, anti-oxidants and nutrient content which is at par with or higher than Njavara.
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