Chemical Composition and Antioxidant Activities of Five Samples of Prunus mume Umezu from Different Factories in South and East China

Figure 2

Representative chromatogram of phenolic compounds in umezu (λ = 280 nm). (1) Neochlorogenic acid; (2) unknown; (3) unknown; (4) chlorogenic acid; (5) unknown; (6) unknown; (7) cryptochlorogenic acid; (8) unknown; (9) caffeic acid; (10) unknown; (11) p-coumaric acid; (12) unknown.