In vitro Antioxidant and Free Radical Activity of Some Nigerian Medicinal Plants: Bitter Leaf (Vernonia amygdalina L.) and Guava (Psidium guajava Del.)

U.B. Ekaluo, E.V. Ikpeme, E.E. Ekerette and C.I. Chukwu

Research Journal of Medicinal Plants 9 ( 5 ): 215 - 226 , 2015