Effect of a walnut meal on postprandial oxidative stress and antioxidants in healthy individuals

Nutrition Journal

Table 4 Postprandial plasma catechin concentrations in response to test meals at baseline and at 1 and 2 hours following test meals ¹

Catechins	Control (n = 6)		Walnut (n = 6)
	LS Mean	95% CI	LS Mean	95% CI	P value
Gallocatechin gallate GCG, ng/ml
Baseline	0.40	0.08, 1.90	0.21	0.04, 0.99	0.99
1 hour	0.50	0.11, 2.39	4.63	0.97, 22.07	0.02
2 hour	0.41	0.07, 1.95	1.33	0.28, 6.32	0.40
Epicatechin gallate ECG, ng/ml
Baseline	1.39	0.28, 6.85	1.21	0.24, 5.97	0.64
1 hour	0.25	0.05, 1.25	12.77	2.58, 63.14	0.01
2 hour	0.33	0.07, 1.65	6.18	1.25, 30.55	0.31
Epigallocatechin gallate, EGCG, ng/ml
Baseline	0.93	0.15, 5.81	6.79	1.09, 42.24	0.99
1 hour	0.30	0.05, 1.89	108.60	17.45, 675.87	0.04
2 hour	1.72	0.28, 10.69	26.60	4.27, 165.55	0.15
Total catechins, ng/ml
Baseline	9.06	1.84, 44.64	9.34	1.90, 45.99	0.99
1 hour	1.71	0.35, 8.43	132.95	26.99, 655.04	0.02
2 hour	4.71	0.96, 23.20	43.50	8.83, 214.33	0.87

¹Values are least square means and 95% confidence intervals. A mixed model approach was used to compare concentrations between test meals adjusting for period effect and treating subjects nested within a sequence as random effects.

ISSN: 1475-2891