AI Article Synopsis
- The study focused on the vitamin A and E deficiencies in low-income elderly people in Sharpeville, South Africa, highlighting the importance of antioxidants for health and longevity.
- Serum levels of these vitamins were measured in 235 participants, revealing that about 28% of men and women had deficient vitamin A, while around 20% had low vitamin E levels.
- The results pointed to poor dietary intake, with many consuming less than the recommended amounts, emphasizing the need for community-based interventions to improve nutrition in this population.
Article Abstract
Background & Aims: Adequate dietary intake of antioxidants is vital for the promotion of health, well being and longevity of the elderly. This study assessed the prevalence of vitamin A (retinol) and vitamin E (alpha-tocopherol) deficiency in a population of low-income South African elderly.
Methods: Serum vitamin A and vitamin E concentrations were determined in 235 persons aged 60-93 years in Sharpeville, South Africa. Dietary assessment was done using 24-h recall. Weight and height were measured to determine body mass index.
Results: The mean and standard deviation of serum levels in the elderly were 1.41+/-1.4 micromol/L for vitamin A and 2.1+/-1.1 mg/l for vitamin E. The proportion with deficient serum vitamin A was 28.2% and 26.5% for men and women respectively and 20.5% and 20.9% respectively for deficient vitamin E concentrations. Almost one-third of the subjects consumed less than 100% of the Estimated Average Requirement for both vitamins. Mean vitamin A intake was 426+/-666 microg in men and 368+/-811 microg in women, mean vitamin E intake for men and women was 5.4+/-5.2 microg and 4.0+/-0.5 mg respectively. The predominant macronutrient consumed was carbohydrate. No relationship existed between biochemical and dietary intake parameters of vitamins A and E.
Conclusions: These findings indicate poor dietary intake and high prevalence of vitamins A and E deficiency among this elderly population. Sustainable community-based interventions are needed to address this nutritional vulnerability in this community.
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| http://dx.doi.org/10.1016/j.clnu.2009.08.001 | DOI Listing |
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