The purpose of the study is to determine whether daily consumption of beta-carotene biofortified maize will increase breast milk retinol concentration in lactating Zambian women.
Lactating women were randomly assigned to one of three intervention groups to receive 6d/wk for 3 wk either 1) provitamin A biofortified orange maize and a corn oil capsule, 2) white maize and a vitamin A capsule, or 3) white maize and a corn oil capsule. The 'orange maize' and 'vitamin A' groups received \~600 ug RAE/d as provitamin A biofortified maize or retinyl palmitate, respectively. The 'white maize' group was a negative control group that did not receive any supplemental vitamin A.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Masking
SINGLE
Enrollment
149
\~ 0 ug RAE/d
\~600 ug RAE/d
600 ug RAE/d
Center for Human Nutrition
Mkushi, Mkushi District, Zambia
Breast milk retinol concentration
Breast milk retinol concentration will be measured before and after 3 wk of consumption of orange maize (6 d/wk)
Time frame: After 3 weeks of intervention
Breastmilk beta-carotene concentration
Breastmilk beta-carotene concentration will be measured before and after 3 wk of consumption of orange maize (6d/wk)
Time frame: After 3 wk of intervention
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