The bands' intensity^a ratio of rats' hippocampus FTIR spectra in the spectral region of 3020–2840 cm⁻¹ of C, A, and T groups.

Band	Intensity ratio
	C	A	T
Olefinic CH/νas(CH3)	0.514 ± 0.091	0.580 ± 0.062b	0.559 ± 0.101b
νas(CH2)/νas(CH3)	1.719 ± 0.095	1.623 ± 0.083b	1.688 ± 0.075
νas(CH2)/[νas(CH2) + νs(CH2)]	0.581 ± 0.019	0.590 ± 0.026b	0.580 ± 0.033

^aAverage values ± SD.

^bSignificant difference compared with the control values (p < 0.05).