Table 1.

NMR resonance assignments of the metabolites identified in samples of pancreatic intact tissues

	Metabolite	Group	1H chemical shift (ppm)	13C chemical shift (ppm)
1	Leucine	δCH3	0.95	23.43
		δ'CH3	0.95	24.75
2	Lactate	CH3	1.33	22.69
		CH	4.13	71.22
3	Glycine	CH 2	3.56	44.05
4	Glycerol	CH2-OH (d 2X)	3.55	65.03
		CH 2 -OH (u 2X)	3.64	65.07
		CH-OH	3.77	74.69
5	Glutamine	αCH	3.77	57.23
		γCH 2	2.44	33.52
6	Serine	γCH2	3.97	62.90
7	Taurine	CH2-NH3+	3.27	50.01
		CH 2 -SO 3 -	3.43	37.93
8	Valine	γ'CH3	1.04	20.44
		αCH-NH2	3.60	63.05
9	Arginine	γCH2	1.65	25.90
		βCH2	1.92	30.13
		δCH2	3.22	43.23
10	β-Glucose	C6H(d)	3.89	63.48
		C1H	4.65	98.70
11	α-Glucose	CH2	3.83	62.08
		C1H	5.22	94.94
12	Lysine	δCH2	1.73	29.17
		βCH2	1.90	32.48
		γCH2	1.91	30.25
13	Glutamic acid	βCH2	2.08	29.67
		γCH 2	2.35	35.96
14	Alanine	βCH3	1.48	18.87
15	Myo-Inositol	(CH)2	3.54	73.81
		(CH)2	3.63	75.11
		CH	4.05	74.79
16	Ornithine	αCH-NH2	3.77	57.05
		δCH2-NH2	3.05	41.83
		β-CH2	1.93	30.28
		γ-CH2	1.74	25.52
17	3-Hydroxybutyric acid	CH3	1.20	24.30
18	Creatine	CH 2	3.93	56.23
19	Choline	N + -(CH 3 ) 3	3.23	56.48
20	Fatty acids (a)	(1)CH2	1.30	32.16
21	Fatty acids (b)	CH2	2.80	28.50
22	Fatty acids (c)	(1)CH2	2.26	36.60
23	Succinic acid	(CH 2 )2	2.39	34.00
24	Ascorbate	CH-O	4.52	80.87
25	Ethanolamine	CH 2 -NH 2	3.13	43.90
26	Phosphorylcholine	CH 2 -O	4.11	63.60
		N+-(CH3)3	3.22	56.57
27	Threonine	βCH	4.25	68.50
28	Glycerophosphocholine	N+-(CH3)3	3.21	56.56
		βCH2	3.72	68.49
		αCH 2	4.33	62.16
		CH2OH	3.93	73.32
		CH2-HPO4(d)	3.89	69.22
29	Tyrosine	meta CH ortho CH βCH2(d)	6.88 7.18 3.02	118.44 133.30 39.40
30	Phenylalanine	ortho CH para CH meta CH	7.31 7.36 7.42	131.91 132.28 131.59
31	Aspartic acid	βCH 2 (d) βCH2(u)	2.63 2.81	40.20 40.82

Each peak in the 2D spectra represents a correlation ¹H – ¹³C. Metabolites were assigned using standard metabolite chemical shift tables available in the literature [23]. The groups in bold text were used to perform the metabolites’ quantification