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Table 3 Metabolic profiling of rice root during Cr (VI) stress

From: Transcriptomic and metabolomic shifts in rice roots in response to Cr (VI) stress

Metabolite MS/NMR signals Control mg/g db Cr mg/g db  
aMyristic acid ME 242 (M+),143,87,74,44 0.50 ± 0.07 0.10 ± 0.02 Hexane
aPentadecanoic acid ME 256(M+),87,74,44 0.85 ± 0.12 0.10 ± 0.03  
aPalmitic acid ME 270(M+), 143, 87, 74,43 4.58 ± 0.52 2.33 ± 0.07  
aLinoleic acid ME 294(M+),149,81,67,44 1.74 ± 0.22 4.89 ± 0.12  
aErgo Sterol 472,382,343,73,44 0.27 ± 0.05 0.12 ± 0.02 EtOAc
aStigma Sterol 484,394,255,83,44 0.45 ± 0.03 0.18 ± 0.02  
aβ-Sitosterol 486,396,357,129,75,44 0.30 ± 0.07 0.16 ± 0.08  
a2-Hydroxy Propanoic acid (TMS)2 219(M+-CH3),147, 117,73 (Me3Si.) 0.93 ± 0.09 1.21 ± 0.04  
aGlycerol-(TMS)3 293(M+-CH3),218,205,147,117,73(Me3Si.) 0.71 ± 0.10 0.30 ± 0.02  
aBenzoic acid-TMS 194(M+),179(M+-CH3),135,105,73(Me3Si.) 0.14 ± 0.12 0.16 ± 0.03  
aSuccinic acid-(TMS)2 247(M+-CH3),147,73(Me3Si.) 0.69 ± 0.08 0.41 ± 0.02  
aMalic acid- (TMS)3 335(M+-CH3), 233,147,73(Me3Si.) 0.10 ± 0.03 0.21 ± 0.01  
aβ-Hydroxy β- Methayl Glutaric acid- (TMS)3 363(M+-CH3),273,247,231,147,73(Me3Si.) 0.18 ± 0.02 0.44 ± 0.05  
a4-Hydroxy Benzoic acid- (TMS)2 282(M+),267(M+-CH3),223,193 (M+-Me3SiO), 73(Me3Si.) 0.21 ± 0.07 0.33 ± 0.02  
a Suberic acid- (TMS)2 303(M+-CH3),286,217,187,147,73(Me3Si.) 0.21 ± 0.03 2.10 ± 0.12  
aAzelaic acid-(TMS)2 332(M+),317(M+-CH3),292,73(Me3Si.) 3.31 ± 0.13 2.28 ± 0.15  
a4-Hydroxy Cinnamic acid-(TMS)2 308 (M+),293 (M+-CH3),249,219,179,73(Me3Si.) 1.61 ± 0.12 2.10 ± 0.08  
bAlanine δ1.48, δ 3.77 0.37 ± 0.03 1.19 ± 0.05 Water
bCholine δ 3.19, δ 3.52 0.25 ± 0.03 0.91 ± 0.06  
aD-Fructose- (5 TMS, MeOXI) 364, 307, 217,147,103,73(Me3Si.) 0.81 ± 0.07 1.61 ± 0.08  
bGABA δ 1.91, δ 2.29, δ 3.01 0.66 ± 0.05 1.66 ± 0.09  
a D-galactose 554(M+-CH3), 319, 217, 205, 147, 73(Me3Si.) 2.10 ± 0.10 4.87 ± 0.22  
aD-gluconic acid 613(M+-CH3), 333, 292, 217, 147, 73(Me3Si.) 0.63 ± 0.06 1.89 ± 0.09  
bLactate δ 1.33, δ 4.11 0.16 ± 0.02 1.09 ± 0.08  
aMyo-inositol 612(M+), 507, 318, 305, 217, 147, 73(Me3Si.) 0.22 ± 0.02 0.55 ± 0.05  
bOrnithine δ 1.6-1.8 1.04 ± 0.05 3.33 ± 0.42  
aL-proline 273(M+), 258(M+-CH3), 230, 156, 147, 73(Me3Si.) 0.35 ± 0.02 1.12 ± 0.03  
bPhenyl alanine δ 7.3-7.45 0.45 ± 0.03 0.88 ± 0.05  
cUracil δ 5.95, δ 7.75 0.45 ± 0.04 1.39 ± 0.60  
cValine δ 0.98, δ 1.04, δ 2.25 0.54 ± 0.05 1.44 ± 0.08  
  1. aIndentified and quantified by GC-MS, b Identified and quantified by NMR.