Table 1 Identification of sugar phosphates in extracts of Populus wood
Compound | Derivative | Measured mass (Da), [M−H]− | Theoretical mass (Da), [M−H]− | Mass error (ppm) | Mass error (mDa) |
|---|---|---|---|---|---|
3-Phosphoglyceric acid (3-PGA) | Prop | 241.0117 | 241.0119 | 0.8 | 0.2 |
2-Phosphoglyceric acid (2-PGA) | Prop | 241.0117 | 241.0119 | 0.8 | 0.2 |
3-Phosphoglyceraldehyde (GAP) | MeOx, Prop | 254.0427 | 254.0435 | 3.2 | 0.8 |
Dihydroxyacetone phosphate (DHAP) | MeOx, Prop | 254.0422 | 254.0435 | 5.1 | 1.3 |
Erythrose-4-P | MeOx, Prop | ND | ND | ND | ND |
Ribulose-1,5-PP (Ru5BP) | MeOx, Prop | 450.0702 | 450.0572 | 28.9 | 1.3 |
Fructose-1,6-PP (FBP) | MeOx, Prop | 536.1001 | 536.094 | 11.4 | 6.1 |
Xylulose-5-P (X5P) | MeOx, Prop | 426.1165 | 426.1171 | 1.4 | 0.6 |
Ribulose-5-P (Ru5P) | MeOx, Prop | 426.1169 | 426.1171 | 0.5 | 0.2 |
Ribose-5-P (R5P) | MeOx, Prop | 426.1170 | 426.1171 | 0.2 | 0.1 |
Galactose-1-P (Gal1P) | Prop | 483.1277 | 483.1273 | 0.8 | 0.4 |
Glucose-1-P (G1P) | Prop | 483.1272 | 483.1273 | 0.2 | 0.05 |
Fructose-6-P (F6P) | MeOx, Prop | 512.1530 | 512.1539 | 1.8 | 0.9 |
Glucose-6-P (G6P) | MeOx, Prop | 512.1528 | 512.1539 | 2.2 | 0.9 |
Mannose-6-P (Man6P) | MeOx, Prop | 512.1525 | 512.1539 | 2.7 | 0.3 |
Seduheptulose-7-P (Sedu7P) | MeOx, Prop | 598.1907 | 598.1906 | 0.2 | 0.1 |
UDP-glucose (UDP-G) | Prop | 901.2089 | 901.205 | 4.3 | 3.9 |
Trehalose-6-P (T6P) | Prop | 813.2574 | 813.2588 | 1.7 | 1.4 |
Sucrose-6-P (S6P) | Prop | 813.2561 | 813.2588 | 3.3 | 2.7 |