Serum lipid peroxidation and antioxidant vitamin in Thai vegans

Saowanee Kajanachumpol, Noppawan Phumala, Paisarn Jittrontrum

Abstract


Vegetarian diets with higher content of natural antioxidants may decrease the risk of developing cardiovascular disease.

Serum lipid peroxidation and antioxidants in the serum of Thai vegans were determined.

Forty-nine male and 60 female healthy vegans, aged 30-50 years, who have been on diet devoid of animal products including milk and egg for at least 5 years, volunteered for the study while 41 male and 45 female age-and BMI-matched omni- vores served as controls. Overnight fasting blood was determined for levels of serum thiobarbituric acid reacting substances (TBARS), serum iron, uric acid and plasma vitamin E (antioxidant vitamin)

The vegans had significantly lower concentrations of serum TBARS, serum iron, uric acid and plasma vitamin E than the omnivores. Plasma vitamin E: cholesterol molar ratios were slightly higher in the vegans.

The overall effects of vegan nutritional habbit and various health promoting non-nutrient of plant origin and probably more healthy lifestyle altogether favorably affects TBARS levels and antioxidant vitamin E, than do apparently healthy omnivores.

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