@article{7d885c92edf74c4381a6ea63a80700cd,
title = "Tetrahedron Letters 43 (2002) 7129 Theadibenzotropolone A, a new type pigment from enzymatic oxidation of (-)-epicatechin and (-)-epigallocatechin gallate and characterized from black tea using LC/MS/MS",
author = "Shengmin Sang and Shiying Tian and Xiaofeng Meng and Stark, \{Ruth E\} and Rosen, \{Robert T\} and Yangc, \{Chung S\} and Chi-Tang Hoa",
year = "2002",
language = "English",
volume = "43",
pages = "7139",
journal = "Tetrahedron Letters",
}