Fig. 2From: Metabolic Evidence on Vintage Effect in Tea (Camellia sinensis L.) PlantsPrincipal component analysis (PCA, A) and orthogonal partial least squares discriminant analysis (OPLS-DA, B, C and D) score plots derived from the first-analyzed 1H NMR spectra of fresh tea leaf extracts obtained from Jangwon 2 (J2) and Jangwon 3 (J3) tea cultivars plucked in 2015 to 2019Back to article page