Red onions, anthocyanins

Fig. (10). HPLC chromatogram of red onion anthocyanins and other phenols (1) quercetin 3,4 -diglucoside, (2) quercetin 4 -glucoside, (3) isorhamnetin 4 -glucoside, (4) cyanidin 3-glucoside, (5) cyanidin 3-arabinoside, (6) cyanidin 3-malonylglucoside, and (7) cyanidin 3-malonylarabinoside. HPLC conditions RP Cig column (12 x 0.4 cm particle size 5 im). Mobile phase acidified water (5% formic acid) (A) and methanol (B). Gradient 0 min- 15% B, 15 min- 35% B, 25 min- 40% B. Flow rate 1 mL/min.

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See also in sourсe #XX -- [ , ]

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