Low-Protein Diet during Lactation and Maternal Metabolism in Rats

Table 4

Liver mass, glycogen content, lipid content, lipid/glycogen ratio, and lipogenic enzymes activities (nmol ⋅ mg of protein⁻¹⋅ min⁻¹) of non-lactating and lactating rats fed a control (CNL and CL) or low-protein (LPNL and LPL) diets.

	GROUPS
	CNL	CL	LPNL	LPL
Absolute mass (g)	9.4 ± 0.3	14.7 ± 0.8*	8.9 ± 0.3^#	12.4 ± 0.7^*#
Relative mass (g/100 g)	3.2 ± 0.1	4.5 ± 0.2*	3.1 ± 0.1	5.0 ± 0.2*
Glycogen (mg/100 mg)	3.8 ± 0.3	5.1 ± 0.5	5.2 ± 0.4	4.7 ± 0.8
Lipid (mg/100 mg)	5.3 ± 0.7	9.3 ± 0.7*	5.4 ± 0.8	11.5 ± 0.9*
Lipid/glycogen ratio	1.4 ± 0.(𝑛=5)	2.0 ± 0.0^b	1.1 ± 0.3^a	3.1 ± 0.0^c
Lipogenic enzymes activities (nmol 5^a mg of protein^−19^b min^−1) 3^b
G6PDH	148 ± 13^c	222 ± 24^a	62 ± 1𝑃<.05	217 ± 1𝑃<.05
ATP-cit	142 ±𝑃<.05 7	239 ± 34*	136 ± 15	221 ± 17*
EM	68 ± ^14C	80 ±	47 ±	139 ± 1

CNL, CL, LPNL groups = 7; LPL group = 8 rats. Lipogenic enzymes activities were obtained from 5 animals. Values are means ± SEM.
*Statistical difference related to non-lactating rats (Two-Way ANOVA; ).
^# Statistical difference related to control rats (Two-Way ANOVA; ).
Different letters indicate statistical differences (Tukey HSD test; ).