| Analyte |
Analytical method |
Comments |
Matrix |
LOD |
Ref |
| Proline |
Colorimetry |
Coloring reagent-acid ninhydrin |
AtriplexhalimusL. |
|
[18] |
| |
Colorimetry |
Coloring reagent-isatin |
Grape juice and wine |
|
[65] |
| |
Colorimetry |
Coloring reagent-acid ninhydrin |
Soybean and sorghum |
|
[64] |
| |
GCMS |
MSTFA |
Grapes |
|
[143] |
| |
GCMS |
MTBSTFA |
Alfalfa plants |
|
[67] |
| |
HPLC-UV |
C18,dansylated derivatives |
Sorghum bicolour |
|
[83] |
| |
RP-HPLC-UV |
245 nm, phenylthiocarbamyl derivatives, |
Alfalfa |
|
[144] |
| |
HPLC-UV |
Ninhydrin derivatives |
Tomato pollen |
|
[21] |
| |
HPLC-UV |
FMOC |
Grape juice and wine |
|
[65] |
| |
HPLC-UV |
FMOC |
Pantoea agglomerans |
|
[85] |
| |
HPLC-UV |
OPA |
Spinach leaves |
|
[58] |
| |
HPLC-MS |
Ligand exchange chromatography, electrospray Ionisation ms |
Oak leaves |
|
[32] |
| |
CE-MS |
|
Arabidopsis thaliana |
|
[96] |
| Betaine |
Colorimetry |
Dragendorff'reagent for visualisation,TLC,PC for removal of interferences |
Halophytes |
|
[99] |
| |
Colorimetry |
Ammonium reineckates |
Sugar beet |
|
[103] |
| |
Thin layer electrophoresis+scanning reflectance densitometry |
Plates sprayed with dragendorff reagent |
|
|
[39] |
| |
GC-pyrolysis |
FID detection |
Cereals and other grasses |
|
[41] |
| |
GC-pyrolysis |
FID detection |
Barley plants |
|
[106] |
| |
HPLC-UV |
Ion exchange column, diode array spectrophotometer set at 195 nm |
Spinach |
|
[58] |
| |
HPLC-UV |
4-isophenyl trifoliate, silica column |
Green gram |
|
[16] |
| |
HPLC-UV |
Reverse phase column |
Altriplexhalimus L |
|
[18] |
| |
HPLC-ELSD |
Hilic column |
Fructuslycii |
|
[97] |
| |
CE-UV |
CZE mode, 195nm |
Eighteen different species |
|
[35] |
| |
MEKC-UV |
p-bromophenacyl esters |
Eighteen different species |
|
[35] |
| |
CZE-UV |
p-bromophenacyl esters |
Higher plants |
|
[114] |
| |
NMR Spectroscopy |
Arabidopsis thaliana |
|
[96] |
| |
NMR Spectroscopy |
Barely |
|
[115] |
| |
NMR Spectroscopy |
Rice plants |
|
[118] |
| |
NMR Spectroscopy |
Tobacco |
|
[9] |
| |
FABMS |
|
Sugarcane and its relatives |
|
[43] |
| |
FABMS |
|
Tobacco |
|
[44] |
| |
FABMS |
|
Limonium species |
|
[46] |
| |
FABMS |
|
Higher plants |
|
[104] |
| |
HPLC-RI |
|
Pantoea agglomerans |
|
[85] |
| Mannitol |
Colorimetry |
Chromotropic acid for coloration |
Fungi and green plants |
|
[132] |
| |
HPLC-PAD |
Anion exchange chromatography |
Yeast |
|
[145] |
| |
HPLC-PAD |
Anion exchange chromatography |
Tobacco |
|
[134] |
| |
HP anion exchange electrospray MS |
Anion exchange chromatography |
Poplar leaves |
|
[135] |
| proline+betaine |
HPLC-PAD |
Anion exchange column |
Oak leaves |
|
[32] |
| proline+betaine |
CE-UV |
Low wavelength 195nm |
higher plants |
|
[35] |
| proline+betaine |
HNMR Spectroscopy |
Barely leaves |
|
|
[118] |
| proline+mannitol |
GCMS |
Derivatisation with MSTFA and TMCS |
Potato tubers |
|
[70] |
| proline+betaine+mannitol |
HPLC-ELSD |
RP column |
Halophytes |
|
[6] |
| proline+betaine |
CE-UV |
Indirect detection |
Spinach leaves, beet root |
|
[7] |
| proline+betaine+mannitol |
HPLC-UV |
Low wavelength 195nm |
Peanut, Melaleuca and cotton |
|
[61] |
