Table II.

Faecal NOC concentrations (nmol/g) (a) PM diet versus VEG diet (n = 16); (b) RM diet versus VEG diet (n = 12) (unadjusted means, comparison within studies)

	Intake	Excretion		Intake	Excretion
	mmol/d	nmol/g	mmol/d	mmol/d	nmol/g	mmol/d
(a)	PM			VEG
Haem	86	329 ± 41	0.05 ± 0.007	a	61 ± 5*	0.01 ± 0.001*
Total NOC	58	181 ± 20	28.6 ± 2.9	a	2.6 ± 0.3*	0.6 ± 0.06*
RSNO	24	33 ± 4	5.2 ± 0.6	a	0.2 ± 0.1*	0.05 ± 0.02*
FeNO	20	95 ± 9	15.3 ± 1.6	a	2.0 ± 0.3*	0.4 ± 0.05*
Other NOC	14	53 ± 8	8.1 ± 1.2	a	0.5 ± 0.1*	0.1 ± 0.02*
(b)	RM			VEG
Heam (n = 11)	110	1028 ± 109	0.13 ± 0.02	a	63 ± 11*	0.02 ± 0.005*
Total NOC	a	177 ± 26	21.7 ± 2.2	a	3.5 ± 0.7*	1.0 ± 0.2*
RSNO	a	19 ± 4	2.3 ± 0.3	a	0.4 ± 0.1*	0.1 ± 0.02*
FeNO	a	140 ± 20	17.1 ± 1.9	a	1.8 ± 0.3*	0.5 ± 0.1*
Other NOC	a	18 ± 4	2.2 ± 0.5	a	1.2 ± 0.4**	0.3 ± 0.08***

Only male diets analysed. Excretion measured in faecal homogenates and adjusted for dilution. P values for paired Students’ t-test of meat versus VEG, *P < 0.0001, **P = 0.001, ***P < 0.01.

^aNegligible amounts.

PM, processed (nitrite-preserved red) meat.