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. 2023 Jan 3;12(1):113. doi: 10.3390/antiox12010113

Table 3.

Compounds with biological activity identified in O. robusta extract in positive ion mode.

Compound Formula Adduct m/z Retention Time (min)
Oxanes
1,5-Anhydro-D-fructose C6H10O5 M+H-H2O 145.0488 0.919
Cinnamic acids and derivatives
Cinnamic acid C9H8O2 M+H-H2O 131.0495 14.037
Phenylpropanoic acids
Hydrocinnamic acid C9H10O2 M+H-H2O 133.0641 16.460
Benzene and derivatives
3,4-O-Dimethylgallic acid C9H10O5 M+NH4 216.0867 5.119
Indanes
1-Indanone C9H8O M+H 133.0634 11.692
Vitamins
Vitamin C C6H8O6 M+H 177.0397 5.197
Carboxylic acids and derivatives
Betaine C5H11NO2 M+H 118.0821 0.919
Betalains
Betalamic acid C9H9NO5 M+H 212.055 1.048
Indicaxanthin C14H16N2O6 M+H 309.0984 8.830
Neobetanin C24H24N2O13 M+H 549.1382 11.613
Gomphrenin-I C24H26N2O13 M+H 551.1633 10.764
Betanin C24H26N2O13 M+H 551.1498 9.887