Journal
PUBLIC HEALTH NUTRITION
Volume 18, Issue 14, Pages 2511-2522Publisher
CAMBRIDGE UNIV PRESS
DOI: 10.1017/S136898001400322X
Keywords
Vitamin A; Food fortification; Impact evaluation; Children; Mothers
Funding
- Indonesian Ministry of Health, National Institute of Health Research and Development
- GAIN
- GIZ Strategic Alliance for the Fortification of Oil and Other Staple Foods (GIZ-SAFO)
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Objective: To assess oil consumption, vitamin A intake and retinol status before and a year after the fortification of unbranded palm oil with retinyl palmitate. Design: Pre-post evaluation between two surveys. Setting: Twenty-four villages in West Java. Subjects: Poor households were randomly sampled. Serum retinol (adjusted for subclinical infection) was analysed in cross-sectional samples of lactating mothers (baseline n 324/endline n 349), their infants aged 6-11 months (n 318/n 335) and children aged 12-59 months (n 469/477), and cohorts of children aged 5-9 years (n 186) and women aged 15-29 years (n 171), alongside food and oil consumption from dietary recall. Results: Fortified oil improved vitamin A intakes, contributing on average 26 %, 40 %, 38 %, 29 % and 35 % of the daily Recommended Nutrient Intake for children aged 12-23 months, 24-59 months, 5-9 years, lactating and non-lactating women, respectively. Serum retinol was 2-19 % higher at endline than baseline (P<0.001 in infants aged 6-11 months, children aged 5-9 years, lactating and non-lactating women; non-significant in children aged 12-23 months; P=0.057 in children aged 24-59 months). Retinol in breast milk averaged 20.5 mu g/dl at baseline and 32.5 g/dl at endline (P<0.01). Deficiency prevalence (serum retinol <20 g/dl) was 6.5-18 % across groups at baseline, and 0.6-6 % at endline (P <= 0.011). In multivariate regressions adjusting for socio-economic differences, vitamin A intake from fortified oil predicted improved retinol status for children aged 6-59 months (P=0.003) and 5-9 years (P=0.03). Conclusions: Although this evaluation without a comparison group cannot prove causality, retinyl contents in oil, Recommended Nutrient Intake contributions and relationships between vitamin intake and serum retinol provide strong plausibility of oil fortification impacting vitamin A status in Indonesian women and children.
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