1. Jiangsu New Medical College, Chinese Materia Medica Dictionary, Shanghai Science and Technology Press, Shanghai, 1985, 551 pp.
2. Z. Janeczko, P. E. Jansson, and J. Sendra, Planta Med., 53, 52 (1987).
3. H. W. Lin, G. Y. Han, and S. X. Liao, Acta Pharm. Sin., 29, 215 (1994).
4. H. L. Qin, Z. H. Li, and P. Wang, Chin. Chem. Lett., 14, 1259 (2003).
5. M. M. Rafi and B. C. Vastano, Food Chem., 104, 332 (2007).