Skip to main content
. 2020 Jan 9;25(2):281. doi: 10.3390/molecules25020281

Table 3.

Identification of possible phytochemicals present in the pitaya pulp (Stenocereus thurberi) of the UE and CE.

Peak Chemical Structure MF MM m/z (M + H)+ m/z (M-H)− UE (Rt) CE (Rt)
Phenolic compounds
1 Ferulic acid graphic file with name molecules-25-00281-i001.jpg C10H10O4 381 382 380 0.43 0.45
2 Gallic acid graphic file with name molecules-25-00281-i002.jpg C7H6O5 170 171 169 0.56 0.56
3 Resorcinol graphic file with name molecules-25-00281-i003.jpg C6H6O2 110 111 N.D. 1.15 1.15
4 Catechin graphic file with name molecules-25-00281-i004.jpg C15H14O6 290 291 289 1.21 1.25
5 Caffeic acid graphic file with name molecules-25-00281-i005.jpg C9H8O4 180 181 N.D. 2.45 N.D.
6 p-coumaric acid graphic file with name molecules-25-00281-i006.jpg C9H8O3 164 165 163 4.19 4.19
7 Rutin graphic file with name molecules-25-00281-i007.jpg C27H30O16 610 611 609 6.52 N.D.
8 Isorhamnetin graphic file with name molecules-25-00281-i008.jpg C16H12O7 316 317 N.D. 8.14 N.D.
9 Quercetin graphic file with name molecules-25-00281-i009.jpg C15H10O7 302 303 N.D. 9.23 N.D.
10 Caffeoylquinic acid graphic file with name molecules-25-00281-i010.jpg C16H18O9 354 N.D. 353 11.31 N.D.
11 Glycosylated quercetin graphic file with name molecules-25-00281-i011.jpg C21H20O12 464 465 N.D. 11.90 N.D.

N.D. = Not detected; RT = Retention time; MF = Molecular formula; MM = Molecular mass; m/z = mass/charge.