Integrated sensory, chemical, metabolomic, and antioxidant profiling reveals coordinated quality transformation of Lapsang Souchong black tea during decade-long storage
Long-term storage of Lapsang Souchong (LS) black tea is traditionally believed to improve its aged flavor and functional quality, but the multi-level changes underlying this process remain insufficiently characterized. In this study, LS black tea samples from eight production years (2013–2023, corresponding to 10 to 0...