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Provitamin A–biofortified maize increases serum β-carotene, but not retinol, in marginally nourished children: a cluster-randomized trial in rural Zambia
beta-carotene biofortification deficiency vitamin A serum retinol provitamin A Zambia
2018/12/3
Background: Vitamin A deficiency remains a nutritional concern in sub-Saharan Africa. Conventionally bred maize hybrids with high provitamin A carotenoid concentrations may have the potential to impro...
Provitamin
Provitamin Seaweeds Lake Rezayeh
2009/12/3
Colorimetric estimation of Carotene in Enteromorpha intestinalis, a se.awe~d of the family of Ulvaceans abounding in the Lake of Rez?,yeh, has. proved ?' Vlt~rrlln activity of this plant corresponding...