Table 5

Changes in plasma micronutrient status following 6 wk intervention with daily walnut consumption1

Walnut intervention dose


21 g/d

42 g/d



Micronutrient

% Change

from baseline

P

(within group)

% Change

from baseline

P

(within group)

P

(between group)


Total carotenoids

-2.9 ± 12.7

0.308

5.2 ± 16.9

0.175

0.110

α-tocopherol

-5.8 ± 22.6

0.25

4.6 ± 17.1

0.229

0.099

γ-tocopherol

-5.9 ± 25.7

0.303

-2.0 ± 29.4

0.762

0.651

α-tocopherol:PUFA

-7.2 ± 22.3

0.157

5.4 ± 26.1

0.356

0.128

γ-tocopherol:PUFA

-7.8 ± 24.0

0.152

0.2 ± 39.4

0.985

0.451

Vitamin C

13.0 ± 67.1

0.386

10.6 ± 51.9

0.363

0.892

Folate

2.3 ± 29.6

0.752

3.6 ± 27.0

0.555

0.877

Vitamin B6 (PLP)

19.0 ± 63.6

0.186

16.2 ± 34.7

0.045

0.859

Magnesium

1.2 ± 8.2

0.517

2.5 ± 6.1

0.086

0.559


1Values are means ± SD

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

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