1. Y. J. Xie, X. Y. Shi, Z. P. He: Journal of Anhui Agricultural Sciences (In Chinese) Vol. 38(6) (2010), p.2951.
2. H. Y. Huang, S. H. Huang, L. X. Shen: China Food Additives (In Chinese) Vol. 5 (2004), p.56.
3. P. Debersac, M. F. Vernevaut, M. J. Amiot, M. Suschetet, M. H. Siess. Food and Chemical Toxicology Vol. 39(2)(2001), p.109.
4. D. W. Li, L. W. Bi, Z. D. Zhao: Chemistry and Industry of Forest Products (In Chinese) Vol. 30(5) (2010), p.122.
5. D. W. Li, L. W. Bi, Z. D. Zhao, D. M. Li, X. Z. Liu: International conference on chemical and biological utilization of biomass resources (2010), p.780.