Background: Provitamin A carotenoid–biofortified maize is a conventionally bred staple crop
designed to help prevent vitamin A deficiency. Lactating women are a potential target group …

Postpartum depression (PPD) is an international public health problem affecting at least 1 in
8 mothers. Known risk factors include: giving birth to a preterm or low birth weight infant …

The impact of a nutritional intervention trial on vitamin A status can be evaluated by
measuring the total vitamin A concentration in breast milk both before and after the …

Vitamin A (VA) is an essential nutrient often lacking in the diets of people in developing
countries. Accurate biomarkers of VA status are vital to inform public health policy and …

Background: College students may have a risk of fat-soluble vitamin deficiencies due to
unhealthy dietary habits, especially for vitamin A and E. They are important members of the …

We have previously shown that β-carotene supplementation of the diets of healthy US
mothers increases serum and milk β-carotene concentrations. Building on these results, we …

The acute phase response and inflammation are associated with lower plasma retinol
concentrations, but their effect on breast milk retinol concentrations is unclear. We measured …

The modified-relative-dose-response (MRDR) test, which requires a blood sample after
dosing with 3, 4-didehydroretinyl acetate (DRA), has been used to determine vitamin A (VA) …

Background: The relative dose-response (RDR) test, which measures the percentage of
change in serum retinol concentration in response to an oral vitamin A (VA) dose, is a …

Employing a short, potassium hydroxide (KOH) saponification (25 min) and rapid extraction
with n-hexane–toluene (1: 1) and a< 4-min retention time, a convenient, rapid, accurate and …