โครงสร้างของสารโพลีฟีนอลที่เกิดการพอลิเมอร์ไรเซชั่น (Oolong Tea polymerized-polyphenols ,OTPP) ที่พบมากในชาอู่หลง References : Hara Y., Moriguchi S., Kusumoto A., Nakai M., Toyoda-Ono Y., and Segawa T. (2004). Suppressive effects of oolong tea polyphenol-enriched oolong tea on post prandial serum triglyceride elevation. Japanese Pharmacology and Therapeutics (in Japanese), 32: 335-342. Hsu T-F., Kusumoto A., Abe K., Hosoda K., Kiso Y., Wang M-F. and Yamamoto S. (2006). Polyphenol-enriched oolong tea increases fecal lipid excretion, Europeon Journal of Clinical Nutrition, 60: 1330-1336. Komatsu T., Nakamori M., Komatsu K., Hosoda K., Okamura M., Toyama K. et.al.(2003). Oolong tea increases energy metabolism in Japanese females. Journal of Investigative Medicine, 50: 170-175. Nakai M, Fukui Y, Asami S, Toyoda-Ono Y, Iwashita T, Shibata H et.al. (2005b). Inhibitory effects of oolong tea polyphenols on pancreatic lipase in vitro. Journal of Agricultural and Food Chemistry, 53: 4593-4598.