[Liu, Zhonghua; Xiong, Ligui; Gong, Yushun] Hunan Agr Univ, Minist Educ, Key Lab Tea Sci, Changsha, Hunan, Peoples R China.
[Xiong, Ligui; Liang, Qionglin] Tsinghua Univ, Dept Chem, Minist Educ, Key Lab Chem Biol, Beijing, Peoples R China.
[Liang, Qionglin] Tsinghua Univ, Dept Chem, Beijing Key Lab Microanalyt Methods & Instrumenta, Beijing, Peoples R China.
[Liu, Zhonghua] Hunan Agr Univ, Natl Res Ctr Engn Technol Utilizat Funct Ingredie, Changsha, Hunan, Peoples R China.
