the Natural Science Foundation of the Jiangsu Higher Education Institutions of China14KJ220001;the National Natural Science Foundation of China31470529;the Open Funding of Guangxi Key Laboratory of Chemistry and Engineering of Forest Products No.GXFC15-02.江苏省高校自然科学研究重大项目14KJ220001;国家自然科学基金31470529;广西林产化学与工程重点实验室开放基金JSBEM2014010