Wang, Qiuping, Chunxiu Peng, Jiashun Gong, and Sarote Sirisansaneeyakul. “Antioxidative Effect of Large Molecular Polymeric Pigments Extracted from Zijuan Pu-erh Tea In Vitro and In Vivo”. Agriculture and Natural Resources 47, no. 5 (October 31, 2013): 739–747. accessed September 17, 2026. https://li01.tci-thaijo.org/index.php/anres/article/view/243129.