Table 3.

Plasma metabolite identification in CHD patients and healthy people.

Metabolite	Attribution	δ (1H)	Multiplicity
α-Glucose	CH1, C–H7, C–H2	5.23, 3.84, 3.53	d, m, dd
β-Glucose	CH1, C–H6, C–H6′	4.64, 3.90, 3.72	d, dd, dd
β-Hydroxybutyric acid	CH2	2.31	abx
β-Hydroxy isobutyric acid	CH3	1.20	d
Phenylalanine	α-CH, β-CH2	4.00, 3.13	m, m
Alanine	CH3	1.48	d
Acetone	CH3	2.23	s
Choline	N(CH3)3, OCH2	3.21, 4.07	s, m
Methionine	β-CH2	2.16	m
Dimethylamine	CH3	2.72	s
Glycine	CH2	3.57	d
Glutamate methylamine	β-CH2	2.10	m
Glutamine	α-CH, γ-CH2, β-CH2	3.77, 2.46, 2.14	t, m, m
Creatine	CH2	3.61	s
Inositol	CH5	3.28	t
Creatinine	CH2	4.06	s
Methylamine	CH3	2.54	s
Lysine	ε-CH2, β-CH2, δ-CH2	3.03, 1.91, 1.73	t, m, m
Tyrosine	CH, CH2	3.94, 3.06	abx, abx
Leucine	δ-CH3	0.97	t
Hippuric acid	CH2	3.97	d
Ornithine	α-CH	3.79	t
Taurine	NCH2	3.43	t
Praline	δ-CH2, δ-CH2, α-CH2	3.42, 3.33, 2.35	m, m, m
Carnitine	CH2(COO)	2.44	dd
Lactic acid	CH, CH3	4.12, 1.33	q, d
Tryptophan	CH2, CH2	3.49, 3.31	abx, abx
Threonine	CH3	1.34	d
Aspartic acid	β-CH2	2.68	abx
Valine	β-CH, α-CH, CH3	2.28, 3.62, 1.04	m, d, d
Isoleucine	β-CH2, CH3	1.89, 2.04	m, s
Acetyl glutamic acid	β-CH, γ-CH2, β-CH3, δ-CH3, α-CH	1.98, 1.26, 1.01, 0.94, 3.68	m, m, d, t, d
Histidine	β-CH2, β-CH2	3.25, 3.14	abx, abx
High density lipoprotein	–CH3	1.26	m
Low density lipoprotein/very Low density lipoprotein	–(CH2)n–	0.86/0.9	m
N-Acetyl glycoprotein	–CH2CH=	2.02	m
Unsaturated fatty acids	–CH=CH–	5.26	m
Lipid compound	/	3.60	m
Lipid	=CHCH2CH=, –CH2CO, –CH2CH2CO	2.74, 2.22, 1.61, 1.56, 2.68	m, m, m, m, m

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