Evaluation of Antioxidant Activity ofPsidium guajava Linn (Guava) Leaf Extracts by Means of DPPH Free Radical
Venant Nihorimbere, QIAN He, WANG He-Ya, CHEN Jun-Jie, LIANG Qing-Rong
FOOD SCIENCE . 2004, (7): 36 -42 .