Table 2 List of differentially abundant compounds in sweet cherries obtained by UHPLC-DAD-HR-MS/MS in negative ESI mode. The details of the compounds are given, together with the specification of the reliability class and references used for the detection

From: Molecular investigation of Tuscan sweet cherries sampled over three years: gene expression analysis coupled to metabolomics and proteomics

Putative identification

Rt (min)

Formula

Theoretical m/z

Observed m/z

Mass error (ppm)

Main MS2 fragments

MSI reliability class with references used for the annotation

A-type flavanol dimer I

13.85

C30H24O12

575.1195

575.1176

−3.28

125.0249–163.0017–255.0300

3111,112

B-type flavanol trimer Ia

13.93

C45H38O18

865.1985

865.1976

−1.07

125.0231–161.0243–407.0770

3107,112

Coumaroyl quinic acid

15.99

C16H18O8

337.0929

337.0928

−0.16

173.0462–93.0341–119.0494

3107,108,109

(epi)afzelechin–(epi)catechin

17.63

C30H26O11

561.1402

561.1381

−3.81

289.0733–245.0821–203.0747

2110,111

A-type flavanol trimer I

19.01

C45H36O18

863.1829

863.1813

−1.79

285.0370–125.0265–161.0259

3112

B-type flavanol trimer II

19.01

C45H38O18

865.1985

865.1988

0.35

125.0244–407.0797–161.0239

3112

B-type flavanol tetramera

19.63

C60H50O24

1153.2619

1153.2570

−4.27

125.0279–243.0303–161.0254

3112

A-type flavanol trimer II

19.63

C45H36O18

863.1829

863.1810

−2.16

125.0230–161.0276–243.0317

3112

B-type flavanol pentamer

19.93

C75H62O30

1441.3253

1441.3218

−2.44

125.0219–243.0327–287.0709

3112

Trihydroxyflavanone

20.78

C15H12O5

271.0612

271.0605

−2.58

153.0167

2

B-type flavanol dimer

21.50

C30H26O12

577.1352

577.1342

−1.61

125.0237–289.0737–161.0258

3107,108,112

A-type flavanol dimer II

21.50

C30H24O12

575.1195

575.1179

−2.79

125.0224–161.0292–177.0172

3108

Deoxyhexosyl cinchonain

24.53

C30H30O13

597.1614

597.1587

−4.43

341.0686–189.0171–217.0126

3110

Dihydroxyflavanone hexoside

25.72

C21H22O10

433.1140

433.1125

−3.40

271.0612–243.0652

2107

  1. All observed ions are [M-H]
  2. Rt retention time, MSI Metabolomics Standards Initiative
  3. aOnly in harvests 2016 and 2017