M. G. Repetto and S. F. Llesuy, “Antioxidant Properties of Natural Compounds Used in Popular Medicine for Tric Ulcers,” Brazilian Journal of Medical and Biological Re-search, Vol. 35, No. 35, 2002, pp. 523-534.
 IARC, “Preamble to the IARC handbook of cancer che-moprevention. In principles of chemoprevention. Stewart BW,” In: M. C. Gregor and P. Keihues Eds, International Agency for Research on Cancer, IARC Scientific Publi-cation, Lyon, No. 139, 1996, pp. 1-12.
 A. D. Kinghorn, B. N. Su, D. S. Jang, L. C. Chang, J. Q. Gu, E. J. Carcache-Blanco, A. D. Pawlus, S. K. Lee, E. J. Park, M. Cuendet, J. J. gills, H. S. Bhat, E. M. Greenwood, L. L. Song, M. Jang and J. M. Pezzuto, “Natural Inhibitors of Carcinogenesis,” Planta Medica, Vol. 70, Vol. 8, 2004, pp. 691-705.
 M. J. Howes, N. S. Perry and P. J. Houghton, “Plants with Traditional Uses and Activities, Relevant to the Management of Alzheimer’s Disease and Other Cognitive Disorders,” Phytotherapy Research, Vol. 17, No. 1, 2003, pp. 1-18.
 E. K. Perry, A. T. Pickering, W. W. Wang, P. Houghton and N. S. Perry, “Medicinal Plants and Alzheimer’s Dis-ease: Integrating Ethonobotanical and Contemporary Scientific Evidence,” Journal of Alternative and Com-plementary Medicine, Vol. 4, No. 4, 1998, pp. 419-428.
 S. Jain, V. K. Dixit, N. Malviya and V. Ambawatia, “An-tioxidant and Hepatoprotective Activity of Ethanolic and Aqueous Extract of Amorphophallus Campanulatus Roxb. Tubers,” Aeta Poloniac Pharmaceutica-Drug Research, Vol. 66, No. 4, 2009, pp. 423-428.
 S. K. Ojha, M. Nandave, S. Kumari and D. S. Arya, “An-tioxidant Activity of Andrographis paniculata in Ischemic Myocardium of Rats,” Global Journal of pharmacology, Vol. 3, No. 3, 2009, pp. 154-157.
 M. Zahin, F. Aqil and I. Ahmad, “The in Vitro Antioxidant Activity and Total Phenolic Content of Four Indian Medicinal Plants,” International Journal of pharmacy and pharmaceutical Sciences, Vol. 1, No. 1, 2009, pp. 88- 95.
 S. Upadhya, K. K. Shanbhag, G. Suneetha and N. M. Balachandra, “A Study of Hypoglycemic and Antioxidant Activity of Aegle Marmelos in Alloxan Induced Diabetic Rats,” Indian Journal of Physiology & Pharmacology, Vol. 48, No. 4, 2004, pp. 476-480.
 G. A. Ayoola, H. A. B. Coker, S. A. Adesegun, A. A. A. Depoju-Bello, K. Obaweya, E. C. Ezennia and T. O. Atanbayila, “Phutochemical Screening and Antioxidant Activities of Some Selected Medicinal Plants Used for Malaria Therapy in Southwestern Nigeria,” Tropical Journal of Pharmaceutical Research, Vol. 7, No. 3, 2008, pp. 1019-1024.
 M. R. Venukumar and M. S. Latha, “Antioxidant Activity of Curculigo Orchioides in Carbon Tetrachloride Induced Hepatopathy in Rats,” Indian Journal of Clinical Bio-chemistry, Vol. 17, No. 2, 2002, pp. 80-87.
 K. R. Nagunlendran, S. Velavan, R. Mahesh and V. H. Begum, “In Vitro Antioxidant Activity and Total Phenolic Content of Cyperus Rotundus Rhizomes,” E-Journal of Chemistry, Vol. 4, No. 3, 2007, pp. 440-449.
 R. K. Sharma, S. Chatterji, D. K. Rai, S. Mehta, P. K. Rai, R. K. Singh, G. Watal and B. Sharma, “Antioxidant Ac-tivities and Phenolic Contents of the Aqueous Extracts of Some Indian Medicinal Plants,” Journal of Medicinal Plants Research, Vol. 3, No. 11, 2009, pp. 944-948.
 N. M. Ansari, L. Houlihan, B. Hussain and A. Pieroni, “Antioxidant Activity of Five Vegetables Traditionally Consumed by South-Asian Migrants in Bradford,” Phy-totherapy Research, Yorkshire, Vol. 19, 2005, pp. 907- 911.