Yun Zhang1, Fanyi Ma2, Jinhua Zhu3, Zuliang Du1, Ying-Yong Zhao4, Xiuhua Liu5. 1. Key Laboratory for Special Functional Materials of Ministry of Education, Henan University, address, Kaifeng, 475004. China. 2. Key Laboratory of Natural Medicine and Immune-Engineering of Henan Province, Henan University, Kaifeng, 475004. China. 3. College of Chemistry and Chemical Engineering, Henan University, Kaifeng, 475004. China. 4. Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, School of Life Science, Northwest University, No. 229 Taibai North Road, Xi'an, Shaanxi 710069. China. 5. Key Lab. of Natural Medicine and Immune-Engineering of Henan Province College of Chemistry and Chemical Engineering Henan University, Kaifeng, 475004. China.