Comparative Analysis of Phytochemicals and Antioxidant Potential in Various Rhizome Extracts of Curcuma zedoaria Roscoe

ABSTRACT: Plants rich in bioactive metabolites play a significant role in food and pharmaceutical industries. Curcuma zedoaria Roscoe is a popular medicinal plant, used for treating respiratory ailments. The present study characterizes the phytochemicals and antioxidant activity in methanol and n-Hexane extracts of C. zedoaria rhizomes collected from North-east and North-west region of India. Results revealed highest phenolics, flavonoids and tannins in methanolic extracts of rhizomes collected from North-west. Potent antioxidant activity of C. zedoaria rhizomes can be ascribed to the presence of high content of different phytochemicals. Hence, Curcuma rhizomes are potential source of natural bioactive molecules for promoting human health.