Profiling flavor quality and chemical signatures of China's representative large-leaf congou black teas by sensory evaluation, metabolite profiling, quantification, and flavor supplementation validation - Shan Zhang; Qianting Zhang; Zijuan Gan; Linchi Niu; Le Chen; Yuning Feng; Qinghua Zhou; Xinchao Wang; Yongwen Jiang; Haibo Yuan; Yuliang Deng; Jia Li (Food Chemistry, 2026)