Fig. 2From: Identification of physiological and metabolic networks involved in postharvest browning of cigar tobacco leavesChanges in the content of polyphenols (A), polyacids (B), carbohydrates (C), nitrogenous compounds (D), plastid pigments (E), and potassium ions and chloride ions (F) during the air-curing of CTLs. Data in the graphs are expressed as the mean ± SEM, and different letters indicate statistically significant differences of p < 0.05Back to article page