Comparison of the effects of supplemental red palm oil and sunflower oil on maternal vitamin A status
Lietz G, Henry CJ, Mulokozi G, Mugyabuso JK, Ballart A, Ndossi GD, Lorri W, Tomkins A
The American journal of clinical nutrition · 42 citas
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Cómo se estudió
- Diseño
- Ensayo controlado aleatorizado (indexado por PubMed)
- Estudiado en
- Personas
- Resultado principal
- Marcadores de salud y funcionamiento
- Consumo medido con
- Comida provista por los investigadores
Quién lo pagó
- Financiación
- Financiación no declarada
Publicación
- Publicado
- 2001-10-01 · Am J Clin Nutr · vol. 74 · número 4 · págs. 501–509
- Editorial
- Elsevier BV
- Citado
- 90 citas · más que el 88% de estudios similares · 2.4× el promedio de su campo
- Referencias
- 52 trabajos
- Acceso
- Lectura gratuita
- Áreas de investigación
- Child Nutrition and Water Access · Infant Nutrition and Health · Retinoids in leukemia and cellular processes
- Palabras clave
- red palm oil, sunflower oil, vitamin A status, beta-carotene, alpha-carotene, retinol, breast milk, lactating women, pregnant women, dietary carotenoids, provitamin A, cooking methods, dark green leafy vegetables, Tanzania
- MeSH
- milk, human, humans, carotenoids, beta carotene, vitamin a, plant oils, hemoglobins, anthropometry, chromatography, high pressure liquid, case-control studies, nutritional status, lactation, pregnancy, adult, tanzania, female, palm oil, sunflower oil
8 autores
- Georg Lietz🇬🇧Oxford Brookes University
- Christiani Jeyakumar Henry
- Generose Mulokozi
- Joseph KL Mugyabuso
- Angelina Ballart
- Godwin D. Ndossi
- Wilbald Lorri
- Andrew M Tomkins
Resumen
El texto original del estudio, en el idioma en que se publicó.
Background
Conflicting results have been reported on the ability of dietary carotenoids to improve vitamin A status in lactating women. Red palm oil is one of the richest dietary sources of beta-carotene.
Objective
We aimed to determine the efficacy of red palm oil in increasing retinol and provitamin A status in pregnant and lactating women.
Design
Ninety rural, pregnant Tanzanian women from 3 randomly selected villages were recruited during their third trimester to participate in 3 dietary intervention groups: a control group, who were encouraged to maintain the traditional practice of eating staples with dark-green leafy vegetables, and 2 study groups, who were given either sunflower or red palm oil for use in household food preparations. The intervention lasted 6 mo. Plasma samples were collected at the third trimester and 1 and 3 mo postpartum, and breast-milk samples were collected 1 and 3 mo postpartum.
Results
Supplementation with red palm oil, which is rich in provitamin A, increased alpha- and beta-carotene concentrations significantly (P < 0.001) in both plasma and breast milk. Plasma retinol concentrations were similar in all dietary groups. Breast-milk retinol concentrations tended to decrease from 1 to 3 mo postpartum in the control group, but were maintained in both oil groups. The difference in change in breast-milk retinol concentration between the red palm oil group and the control group was significant (P = 0.041).
Conclusions
Consumption of red palm oil increases concentrations of alpha- and beta-carotene in both breast milk and serum and maintains breast-milk retinol concentrations. Sunflower oil consumption seems to conserve breast-milk retinol similarly to consumption of red palm oil. Breast-milk retinol might be maintained through increased dietary intake of these vegetable oils and use of mild cooking preparation methods (such as the addition of oil at the end of cooking and avoidance of frying).
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