Table 2. Changes in the intensities of the main functional groups in the 2800–3030 cm⁻¹ region for control and diabetic groups.

Data are given as means±S.D. P≤0.05 were accepted as significantly different from the control group.

	Left ventricle myocardium			Right ventricle myocardium			Vein
Functional groups	Control	Diabetic	P values	Control	Diabetic	P values	Control	Diabetic	P values
CH3 asym. stretching (at 2956 cm−1)	−0.118±0.005	−0.105±0.002	≤0.001	−0.116±0.004	−0.108±0.003	≤0.01	−0.127±0.006	−0.109±0.004	≤0.001
CH2 asym. stretching-(at 2925 cm−1)	0.172±0.003	−0.178±0.003	≤0.01	−0.174±0.002	−0.174±0.003		−0.150±0.007	−0.169±0.006	≤0.01
CH3 sym. stretching (at 2873 cm−1)	−0.085±0.002	−0.075±0.002	≤0.001	−0.082±0.002	−0.079±0.002		−0.100±0.004	−0.090±0.007	≤0.01
CH2 sym. stretching (at 2854 cm−1)	−0.184±0.002	−0.198±0.004	≤0.001	−0.185±0.003	−0.190±0.002	≤0.001	−0.170±0.004	−0.200±0.012	≤0.001