Dietary inulin intake and age can significantly affect intestinal absorption of calcium and magnesium in rats: a stable isotope approach

Table 5 Effect of age and inulin intake and their interaction on status biomarkers of Ca and Mg in rats

	Cont 3 M	Cont 6 M	Cont 11 M	Cont 21 M	Inulin 3 M	Inulin 6 M	Inulin 11 M	Inulin 21 M	inulin	age	interaction
Plasma Ca, mg/L	98 ± 4	98 ± 5	95 ± 6	100 ± 5	102 ± 5	99 ± 4	98 ± 3	100 ± 4	0.0601	0.0619	NS
Tibia weight, mg dw	480 ± 42	630 ± 80	717 ± 89	630 ± 93	489 ± 66	617 ± 66	841 ± 92	648 ± 47	0.042	<0.0001	0.023
Bone Ca, mg/g dw	207 ± 21	214 ± 15	216 ± 15	215 ± 21	205 ± 13	215 ± 18	202 ± 14	228 ± 7	NS	0.018	0.0639
Plasma Mg, mg/L	17.9 ± 1.1	17.7 ± 1.1	17.2 ± 1.0	16.9 ± 1.3	17.6 ± 1.1	17.9 ± 1.3	18.2 ± 1.5	18.2 ± 1.7	0.0570	NS	NS
Erythrocyte Mg, mg/L	45.4 ± 3.8	44.2 ± 4.7	42.5 ± 3.4	43.4 ± 3.0	44.9 ± 4.9	43.8 ± 2.5	44.3 ± 3.6	43.8 ± 3.9	NS	NS	NS
Bone Mg, mg/g dw	3.92 ± 0.10	3.79 ± 0.08	3.72 ± 0.08	3.76 ± 0.08	3.91 ± 0.10	3.72 ± 0.07	3.73 ± 0.09	3.72 ± 0.09	NS	<0.0001	NS

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