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. 2020 May 18;6(5):e03845. doi: 10.1016/j.heliyon.2020.e03845

Figure 1.

Figure 1

A: Representative HPLC chromatogram of hydroxycinnamic detected at 320 nm in wild bilberry (V. meridionale S.) pomace. (1) caffeoylquinic acid isomer 1; (2) caffeoylquinic acid isomer 2; (3) caffeoyl methyl quinate; (4) caffeic acid derivative; (5) caffeic acid derivative. B: Representative HPLC chromatogram of flavonoids detected at 355 nm. (1) quercetin hexoside; (2) quercetin pentoside; (3) quercetin pentoside; (4) quercetin pentoside; (5) quercetin rhamnoside; (6) quercetin hydroxylmethylglutaryl-α-rhamnoside. Unlabelled peaks are anthocyanins.