Table 4

Changes in antioxidant activity following 6 wk intervention with daily walnut consumption1

Walnut intervention dose


21 g/d

42 g/d



Measure

% Change

from baseline

P

(within group)

% Change

from baseline

P

(within group)

P

(between group)


Antioxidant capacity:

ORAC

2.3 ± 16.4

0.534

5.6 ± 15.5

0.115

0.435

ORAC-pca

-2.1 ± 29.6

0.752

8.2 ± 29.4

0.218

0.322

FRAP

-3.1 ± 10.6

0.197

-0.8 ± 12.1

0.768

0.503

TAP

0.9 ± 6.8

0.572

-0.7 ± 9.7

0.745

0.505

Lipid peroxidation biomarker:

MDA

8.2 ± 40.6

0.367

2.1 ± 27.9

0.734

0.522

Antioxidant status:

Total phenols

-2.0 ± 7.0

0.202

-2.0 ± 5.9

0.135

0.995

Total thiols

-2.2 ± 13.2

0.476

1.8 ± 32.2

0.813

0.680

GPX

-1.3 ± 7.8

0.452

-2.4 ± 7.5

0.164

0.646


1Values are means ± SD

McKay et al. Nutrition Journal 2010 9:21   doi:10.1186/1475-2891-9-21

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