An Improved Method of Theabrownins Extraction and Detection in Six Major Types of Tea (Camellia sinensis) Authors Tzan-Chain Lee, Qian-Nan Zang, Kuan-Hung Lin, Hua-Lian Hu, Ping-Yuan Lu, Jing-Yao Zhang, Chun-Qin Kang, Yan-Jie Li, Tzu-Hsing Ko Publication year 2022 Index (WoS/Scopus) WoS Publisher Hindawi Journal Journal of Chemistry Link https://www.hindawi.com/journals/jchem/2022/8581515/