1. Peterson J, Dwyer J, Bhagwat S, Haytowitz D, Holden J, Eldridge AL, Beecher G, Aladesanmi J (2005) Major flavonoids in dry tea. J Food Compos Anal 18:487–501
2. Zhou Z-H, Zhang Y-J, Xu M, Yang C-R (2005) Puerins A and B, two new 8-C substituted flavan-3-ols from Pu-er tea. J Agric Food Chem 53:8614–8617
3. Lu H-P, Gu J-P, Lin Z, Guo L, Tan J-F, Peng Q-H (2007) Advance in the study on the chemical composition and biological activity of Pu-erh tea. J Tea Sci 27:8–18
4. Huang S, Seki K, Tanaka T, Kouno I, Shimomura K, Ishimaru K (2008) Chemical constituents of green tea extracts fermented with Penicillium, Fusarium or Rosellinia. Jpn J Food Chem 15:84–88
5. Kawamura D (2008) Japanese Patent 2008-263831