Table 4.

Whole body methionine kinetics

	Con	Def	Con +3%	Def +3%	P < 0.05
Qm	259 ± 18	257 ± 12	234 ± 8	242 ± 5	n/s
Qc	218 ± 15	210 ± 11	202 ± 7	197 ± 6	n/s
TM	124 ± 3	94 ± 3	104 ± 1	98 ± 2	*†‡
TS	83 ± 3	48 ± 4	71 ± 6	53 ± 3	*
RM	41 ± 4	47 ± 3	33 ± 5	45 ± 2	*
TM/Qm	0.5 ± 0.03	0.4 ± 0.02	0.4 ± 0.01	0.4 ± 0.02	†
TS/Qm	0.3 ± 0.02	0.2 ± 0.02	0.3 ± 0.03	0.2 ± 0.02	*
RM/TM	0.3 ± 0.03	0.5 ± 0.03	0.3 ± 0.1	0.5 ± 0.02	*
TS/TM	0.7 ± 0.03	0.5 ± 0.03	0.7 ± 0.1	0.5 ± 0.02	*
PS	135 ± 15	162 ± 11	130 ± 8	145 ± 2	*

Values (μmol·kg⁻¹·h⁻¹) are means ± SE (n = 3–4/group). Rates are calculated using Hcys isotopic enrichments. Qm, methionine methyl flux; Qc, methionine carboxyl flux; TM, transmethylation; TS, transsulfuration; RM, remethylation; PS, protein synthesis. P < 0.05.

^*Diet,

^†DSS,

^‡Diet×DSS.