Xiang, H., Yang, J., Fu, X., et al. (2013) Optimization of Extraction Technology of Penthorum chinense by Orthogonal Test. Chinese Journal of Experimental Traditional Medical Formulae, 19, 50-52.
 Chi, S.L., Zhuang, Y.C. and Shui, P.X. (2009) Progress on Penthorum chinense Pursh. Journal of Liaoning University of Traditional Chinese Medicine, 11, 61-64.
 Zhang, X. and Yang, M. (2002) Penthorum chinense Pursh Active Ingredients Research. Journal of Chengdu University of Traditional Chinese Medicine, 25, 46-51.
 Chen, H. and Li, G. (2009) Study on the Extraction Technology of Gallic Acid from Penthorum chinense by Method of Orthogonal Test Design. Journal of Sichuan of Traditional Chinese Medicine, 27, 56-57.
 Zhong, Y.T., Wang, X.L. and Ma, L.L. (2007) Studies on Antimicrobial of Liquidambar Taiwaniana Hance’s Leaf. Lishizhen Medicine and Materia Medica Research, 18, 1693-1694.
 Chen, H., Wang, H. and Yuan, H. (2010) Determination of Gallic Acid in Leaf of Liquidambar taiwaniana Hance in Different Areas by HPLC. Chinese Journal of Modern Applied Pharmacy, 27, 840-842.
 Lu, Q., Jiang, M.H., Jiang, J.G., et al. (2012) Isolation and Identification of Compounds from Penthorum chinense Pursh with Antioxidant and Antihepatocarcinoma Properties. Journal of Agricultural and Food Chemistry, 60, 11097- 11103.