G. D. W. F. Kapche, C. D. Fozing, J. H. Donfack, G. W. Fotso, D. Amadou, A. N. Tchana, M. Bezabih, P. F. Moundipa, B. T. Ngadjui and B. M. Abegaz, “Prenylated Arylbenzofuran Derivatives from Morus mesozygia with Antioxidant Activity,” Phytochemistry, Vol. 70, No. 2, 2009, pp. 216-221.
 G. W. D. Kapche, D. Amadou, P. Waffo-Teguo, J. H. Donfack, C. D. Fozing, D. Harakat, A. N. Tchana, J. M. Merillon, P. F. Moundipa, B. T. Ngadjul and B. M. Abegaz, “Hepatoprotective and Antioxidant Arylbenzofurans and Flavonoids from the Twigs of Morus mesozygia,” Planta Medica, Vol. 77, No. 10, 2011, pp. 1044-1047
 V. K. Sharma, N. S. Chauhan, S. Lodhi and A. K. Singhai, “Anti-Depressant Activity of Zizyphus xylopyrus,” International Journal of Phytomedicine, Vol. 1, 2009, pp. 12-17. doi:10.5138/ijpm.2009.0975.0185.05788
 World Health Organization, “WHO Director-General Unveils New Global Strategies for Mental Health,” Press Release WHO/99-67, 1999. http://www.who.int/inf-pr-1999/en/pr99-67
 W. Song, H. Wang, P. Bucheli, P. Zhang, D. Wel and Y. Lu, “Phytochemical Profiles of Different Mulberry (Morus sp) Species from China,” Journal of Agricultural and Food Chemistry, Vol. 57, No. 19, 2009, pp. 9133- 9140. doi:10.1021/jf9022228
 S. K. Bhattacharya, K. S. Satyan and M. Ramanathan, “Experimental Methods for Evaluation of Psychotropic Agents in Rodents: II Antidepressants,” Indian Journal of Experimental Biology, Vol. 37, No. 2, 1999, pp. 117-123.
 M. J. Detke, M. Rickels and I. Lucki, “Active Behavior in the Rat Forced Swimming Test Differently Produced by Serotonrgic and Noradrenergic Antidepressants,” Psychopharmacology, Vol. 121, No. 1, 1995, pp. 66-72.
 V. Butterweck, G. Jurgenliemk, A. Nahrstedt and H. Winterhoff, “Flavonoids from Hypericum Perforatum Show Antidepressant Activity in the Forced Swimming Test,” Planta Medica, Vol. 66, No. 1, 2000, pp. 3-6.
 V. Butterweck, S. Nishibe, T. Saasaki and M. Uchida, “Antidepressant Effects of Apocynum venetum Leaves in Forced Swimming Test,” Biological & Pharmaceutical Bulletin, Vol. 24, No. 7, 2001, pp. 848-851.
 V. D. Bokkenheuser, C. H. Shackleton and J. Winter, “Hydrolysis of Dietary Flavonoids Glycosides by Strains of Intestinal Bacterioides from Humans,” Biochemical Journal, Vol. 248, 1987, pp. 953-956.
 P. M. Umadevi, S. S. Jennifer and S. Subakanmani, “Evaluation of Antidepressant Like Activity of Curcubita Pepo Seed Extracts in Rats,” International Journal of Current Pharmaceutical Research, Vol. 3, No. 1, 2011, pp. 108-113.
 K. Yamaura, N. Nakayama, M. Shimada, Y. Bi, H. Fukata and K. Ueno, “Antidepressant-Like Effects of Young Green Barley Leaf (Hordeum vulgare L.) in the Mouse Forced Swimming Test,” Pharmacognosy Research, Vol. 4, No. 1, 2012, pp. 22-26.