Table 3.

Effect of choline ± methionine deficiency on fatty acid flux measured by dilution of [¹³C₄]palmitate tracer

	CS	CDD	MCDD
Ra palmitate, μmol·kg−1·min−1	27.16 ± 3.46	26.25 ± 2.27	28.34 ± 3.46
Fractional contribution to liver TG pool, %	34.03 ± 5.11	11.38 ± 1.95***	14.56 ± 1.93***
Liver TG pool, μmol/liver	23.98 ± 3.69	51.27 ± 6.15**	40.52 ± 4.58*
Absolute contribution to liver TG pool, μmol/liver	6.88 ± 1.12	5.10 ± 0.87	5.83 ± 0.93
Fractional contribution to plasma TG pool, %	39.55 ± 5.25	28.80 ± 4.30	23.77 ± 5.23
Plasma TG pool size, μmol	0.67 ± 0.05	0.67 ± 0.06	0.46 ± 0.3*/†
Absolute contribution to plasma TG pool, μmol	0.26 ± 0.04	0.19 ± 0.04	0.11 ± 0.03*

Data are means ± SE, analyzed by 1-way ANOVA with Tukey's post hoc tests where appropriate.

^*P < 0.05,

^**P < 0.01, and

^***P < 0.001 vs. CS;

^†P < 0.05 vs. CDD; n = 12–15/group.