Table 1. Chromatographic, Spectrophotometric, and Mass Spectrometric Data of the Analyzed Betacyanin Pigments in Melocactus Fruit Extracts.

no.	compd	Rt [min]	λmax [nm]	m/z [M + H]+	m/z from MS/MS of [M + H]+
1	betanidin 5-O-β-sophoroside (melocactin)	7.1	537	713	551; 389; 343
1′	isobetanidin 5-O-β-sophoroside (isomelocactin)	7.8	537	713	551; 389; 343
2	betanidin 5-O-β-glucoside (betanin)	8.4	535	551	389
3	6′-O-malonyl-melocactin (mammillarinin)	9.0	538	799	713; 637; 551; 389
2′	isobetanidin 5-O-β-glucoside (isobetanin)	9.5	535	551	389
4	4′-O-malonyl-melocactin	9.7	538	799	713; 637; 551; 389
3′	6′-O-malonyl-isomelocactin (isomammillarinin)	9.7	538	799	713; 637; 551; 389
5	betanidin 6-O-β-glucoside (gomphrenin)	10.0	539	551	389
4′	4′-O-malonyl-isomelocactin	10.4	538	799	713; 637; 551; 389
5′	isobetanidin 6-O-β-glucoside (isogomphrenin)	10.8	539	551	389
6	6′-O-malonyl-betanin (phyllocactin)	10.8	537	637	619; 593; 551; 389
7	4′-O-malonyl-betanin	11.4	537	637	619; 593; 551; 389
6′	6′-O-malonyl-isobetanin (isophyllocactin)	11.8	537	637	619; 593; 551; 389
7′	4′-O-malonyl-isobetanin	12.3	537	637	619; 593; 551; 389
8	feruloyl-dihexosyl-betanidina	15.2	536	889	727; 713; 551
9	sinapoyl-dihexosyl-betanidina	15.5	532	919	757; 713; 551
10	5′′-O-E-sinapoyl-2′-O-apiosyl-betanin	16.2	541	889	683; 551; 389
10′	5′′-O-E-sinapoyl-2′-O-apiosyl-isobetanin	16.5	541	889	683; 551; 389
8′	feruloyl-dihexosyl-isobetanidina	16.8	536	889	727; 713; 551
9′	sinapoyl-dihexosyl-isobetanidina	17.4	532	919	757; 713; 551
11	6′-O-E-feruloyl-melocactina	18.2	532	889	727; 713; 551; 389
11′	6′-O-E-feruloyl-isomelocactina	18.9	532	889	727; 713; 551; 389
12	sinapoyl-dihexosyl-betanidina	19.0	533	919	757; 713; 551; 389
12′	sinapoyl-dihexosyl-isobetanidina	19.5	533	919	757; 713; 551; 389

^aTentatively identified.