Journal
PROSTAGLANDINS LEUKOTRIENES AND ESSENTIAL FATTY ACIDS
Volume 64, Issue 1, Pages 53-59Publisher
CHURCHILL LIVINGSTONE
DOI: 10.1054/plef.2000.0237
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Vegetarians are known to have a low incidence of cardiovascular diseases and lower blood pressure compared to non-vegetarians. The exact cause for this is not known. In the present study, it was found that, in general, vegetarians (female > males) have a higher concentrations of anti-oxidant enzymes: catalase and superoxide dismutase in their RBC membranes and lower levels of plasma lipid peroxides compared to non-vegetarians. Both male and female non-vegetarians were found to have a higher n-3/n-6 ratio compared to vegetarians. These results suggest that vegetarians have a higher anti-oxidant status and low levels of n-3 fatty acids. It remains to be seen whether this alterations in the oxidant and anti-oxidant status and n-3 concentrations explains the lower incidence of cardiovascular diseases and lower blood pressure in vegetarians. (C) 2001 Harcourt Publishers Ltd.
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