Zou, Yao, Guinian Qi, Tian Xu, Shen-xiang Cheng, Ting-ting Liu, and Ya-fang Huang. “OPTIMAL EXTRACTION PARAMETERS OF THEABROWNIN FROM SICHUAN DARK TEA”. African Journal of Traditional, Complementary and Alternative Medicines 13, no. 3 (March 15, 2016): 191–196. Accessed May 9, 2024. https://journals.athmsi.org/index.php/ajtcam/article/view/2104.