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J Hum Nutr Diet. 2002 Oct;15(5):323-9.

Changing from a mixed to self-selected vegetarian diet--influence on blood lipids.

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  • 1Faculty of Education, Community Studies and Leisure, Liverpool John Moores University, Liverpool, UK.

Abstract

OBJECTIVE:

To observe any changes in serum concentrations of lipids, when UK meat-eaters switch to a self selected vegetarian diet for 6 months.

DESIGN:

Observational study using capillary blood samples and 3-day estimated dietary diary.

SETTING:

Free-living subjects in the North-West of England.

SUBJECTS:

Twelve male and 31 female adult volunteers aged between 18 and 42 years.

OUTCOME MEASURES:

Serum lipids; nutrient intake and anthropometric measurements at baseline and 6 months after switching to a self-selected vegetarian diet.

RESULTS:

Total energy intake and amount of energy derived from saturated fatty acids decreased significantly after changing to a vegetarian diet (P < 0.05) whereas energy derived from carbohydrate, and intakes of nonstarch polysaccharide intake increased. On switching to a vegetarian diet, total cholesterol and triacylglycerol concentrations were not significantly changed, but HDL-C was 21% higher than at baseline (1.21 mmol L(-1) vs. 1.47 mmol L(-1); P = 0.001).

CONCLUSIONS:

These results suggest that beneficial changes to diet occurred on changing to a self-selected vegetarian diet. Changing to a self-selected vegetarian diet appears to be one way of achieving a better blood lipid profile.

Comment in

PMID:
12270013
[PubMed - indexed for MEDLINE]
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