Fig. 2From: Characterization of tea leaf metabolites dependent on tea (Camellia sinensis) plant age through 1H NMR-based metabolomicsPCA (a) and OPLS-DA (b–d) score plots derived from 700 MHz 1H NMR spectra of tea leaf extracts obtained in May 2015 and April 2016, demonstrating a clear dependence of tea leaf metabolome on the age of tea plantsBack to article page