Method Validation and Characterization of Red Pigment in Beta vulgaris Peels and Pomaces by HPLC-UV and UHPLC-MS/MS

Figure 5

MS-MS spectra of the betalains compounds identified in Beta vulgaris L peels and pomaces extract; (a) 2-O-glucosyl-betanin; (b) betanin; (c) 2-O-glucosyl-isobetanin; (d) isobetanin (isobetanidin 5-glucoside); (e) betanidin; (f) ferulic acid hexoside; (g) 17-decarboxy-neobetanin; (h) isobetanidin (17 –decarboxy-betanidin); (i) neobetanin; (j) 17-decarboxy-betanin; (k) 2, 17-bidecarboxy-betanin (isobetanin); (l) 2,17-bidecarboxy–neobetanin, and (m) isovitexin (apigenin 6-C- glucoside).

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