Research Article

Systematic HPLC/ESI-High Resolution-qTOF-MS Methodology for Metabolomic Studies in Nonfluorescent Chlorophyll Catabolites Pathway

Table 1

In-house database of known NCCs and DNCCs built for screening chlorophyll catabolites in vegetal tissues.

R1 at C3R2 at C82R3 at O134M.W.E.C.

NCCs
So-NCC2/Hv-NCC1/Ej-NCC1/Mc-NCC42CH(OH)-CH2OHOHCH3678.2901C35H42N4O10
So-NCC1CH(OH)-CH2OHOHH664.2744C34H40N4O10
Cj-NCC1/So-NCC4/Pc-NCC1/Md-NCC1/
Sw-NCC58/Lo-NCC1/Ls-NCC1/Ej-NCC4/Mc-NCC61
CHCH2OHCH3644.2846C35H40N4O8
So-NCC3/Bn-NCC3/At-NCC2/Ej-NCC3/Mc-NCC49CHCH2OHH630.2690C34H38N4O8
Cj-NCC2/So-NCC5CHCH2HCH3628.2897C35H40N4O7
Bn-NCC4/At-NCC5CHCH2HH614.2741C34H38N4O7
Bn-NCC1CHCH2O-MalH716.2694C37H40N4O11
Nr-NCC2/Zm-NCC2/Pc-NCC2/Md-NCC2/
Tc-NCC2/At-NCC4/Mc-NCC59
CHCH2O-GlcCH3806.3374C41H50N4O13
Bn-NCC2/At-NCC1CHCH2O-GlcH792.3218C40H48N4O13
Nr-NCC1CHCH2O-(6′-O-Mal)-GlcCH3892.3378C44H52N4O16
Zm-NCC1/Tc-NCC1/Co-NCC1CH(OH)-CH2OHO-GlcCH3840.3429C41H52N4O15
Co-NCC2aCH(OH)-CH2OHO-GlcH827.3314C40H50N4O15
Ej-NCC2aCHCH2O-MalCH3
DNCCs
Hv-DNCC1/Ap-DNCC1/Co-DNCC2CH(OH)-CH2OHOHCH3666.2901C34H42N4O10
At-DNCC1CHCH2OHH780.3218C39H48N4O13
At-DNCC6CHCH2HCH3616.2897C34H40N4O7
At-DNCC3CHCH2OHCH3632.2846C34H40N4O8
At-7HM-iso-DNCC5/At-9HM-DNCC4bCHCH2HCH3646.3003C35H42N4O8
Co-DNCC1aCH(OH)-CH2OHO-GlcCH3828.3429C40H52N4O15
Ej-DNCC4aCHCH2OHCH3794.3374C40H50N4O13

M.W.: molecular weight. E.C.: elemental composition. The table is based on previously published results by Scherl et al. [24]. aCompounds published by Ríos et al. [11, 12]. bThese compounds contain a hydroxymethyl function at C7 or C9.
See Scheme 1.