Provitamin A (PVA) maize: Effect on dark adaptation and breast milk retinol in rural Zambia
Objectives In separate randomized trials, we assessed whether regular consumption of PVAmaize would increase 1) pupillary responsiveness (PR), a functional indicator of VA status, in children, and 2) breast milk retinol concentration (BMRC) in lactating women. Methods Children (4-8 y; n=542) received either PVA-maize or white-maize (2 meals/d, 6 d/wk for 6 m). PR, an […]