Abstract
Aim of the study to assess alpha-tocopherol and tocotrienols status in a rural African population consuming crude palm oil. Methods this study involved 113 subjects 18 to 69 years old, living in Glanle region (57 subjects: 34 women and 23 men) and in Bodou region. Fasting blood samples were collected to assess the following parameters: total-cholesterol (TC), triglycerids (TG), alpha-tocopherol (AT), retinol, tocotrienols levels and alpha-tocopherol index (ATI) expressed as the ratio AT to TC+TG. Results no vitamin A deficiency was evidenced in any group. No significant difference was observed between alpha-tocopherol plasma levels in both groups; however, the ATI of the Glanle sample was higher than that of the Bodou one. As assessed by a ratio of plasma alpha-tocopherol to TC+TG >1.95 µmol/mmol, no deficiency was observed in any group. Three isomers of tocotrienols (α, δ and γ isomers) have been identified in both groups of subjects. These tocotrienol plasma levels were neverthless lower than α-tocopherol levels in both samples. Conclusion crude palm oil might be indicated to prevent vitamin E and A deficiency in Africa.
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