1. Aquino, R., M.L. Ciavatta, N. De Tommasi, F. De Simone, and C. Pizza. 1991. Catechins from Detarium microcarpum. Fitoterapia 62: 455.
2. Aroun, A.A., and S.A. El Toumy. 2010. Effect of natural polyphenols on physicochemical properties of crosslinked gelatin-based polymeric biocomposite. Journal of Applied Polymer Science 116: 2825–2832.
3. Balas, L., J. Vercauteren, and M. Laguerre. 1995. 2D NMR structure elucidation of proanthocyanidins: The special case of the catechin-(4α-8)-catechin trimer. Magnetic Resonance in Chemistry 33: 85–94.
4. Chen, F.C., Y.M. Lin, and A.H. Chen. 1972. Sesquiterpenes from the heartwood of Chinese elm. Phytochemistry 11: 1190–1193.
5. El-Toumy, S.A., A.R.H. Farag, M.E.M. Ellithey, and K.M. Korien. 2011. Effect of plant derived-phenolic extracts on antioxidant enzyme activity and mucosal damage caused by indomethacin in rats. Journal of Pharmacy Research 4: 189–192.