Table 3: Plasma metabolite identification in CHD patients and healthy people.

MetaboliteAttribution (1H)Multiplicity

α-GlucoseCH1, C–H7, C–H25.23, 3.84, 3.53d, m, dd
β-GlucoseCH1, C–H6, C–H64.64, 3.90, 3.72d, dd, dd
β-Hydroxybutyric acidCH22.31 abx
β-Hydroxy isobutyric acidCH31.20 d
Phenylalanineα-CH, β-CH24.00, 3.13m, m
AlanineCH31.48 d
AcetoneCH32.23 s
CholineN(CH3)3, OCH23.21, 4.07s, m
Methionineβ-CH22.16m
DimethylamineCH32.72 s
GlycineCH23.57d
Glutamate methylamineβ-CH22.10 m
Glutamineα-CH, γ-CH2, β-CH23.77, 2.46, 2.14t, m, m
CreatineCH23.61 s
InositolCH53.28t
CreatinineCH24.06s
MethylamineCH32.54 s
Lysineε-CH2, β-CH2, δ-CH23.03, 1.91, 1.73t, m, m
TyrosineCH, CH23.94, 3.06abx, abx
Leucineδ-CH30.97t
Hippuric acidCH23.97 d
Ornithineα-CH3.79t
TaurineNCH23.43t
Pralineδ-CH2, δ-CH2, α-CH23.42, 3.33, 2.35m, m, m
CarnitineCH2(COO)2.44dd
Lactic acidCH, CH34.12, 1.33q, d
TryptophanCH2, CH23.49, 3.31abx, abx
ThreonineCH31.34d
Aspartic acidβ-CH22.68abx
Valineβ-CH, α-CH, CH32.28, 3.62, 1.04m, d, d
Isoleucineβ-CH2, CH31.89, 2.04m, s
Acetyl glutamic acidβ-CH, γ-CH2, β-CH3, -CH3, α-CH1.98, 1.26, 1.01, 0.94, 3.68m, m, d, t, d
Histidineβ-CH2, β-CH23.25, 3.14abx, abx
High density lipoprotein–CH31.26m
Low density lipoprotein/very Low density lipoprotein 0.86/0.9m
N-Acetyl glycoprotein–CH2CH=2.02 m
Unsaturated fatty acids–CH=CH–5.26m
Lipid compound/3.60 m
Lipid=CHCH2CH=, –CH2CO, –CH2CH2CO2.74, 2.22, 1.61, 1.56, 2.68m, m, m, m, m

Note. s: unimodal; d: doublet; t: triplet; q: quartet; m: multiplet; abx: the secondary coupling; dd: double doublet.