期刊
NUTRIENTS
卷 14, 期 1, 页码 -出版社
MDPI
DOI: 10.3390/nu14010182
关键词
macular pigment optical density (MPOD); nutrition; postpartum; carotenoids; breastmilk; lactation
The study found that maternal MPOD in the early postpartum period is positively correlated with the dietary intake of alpha-carotene and the breastmilk content of lutein. MPOD may serve as a potential marker for the intake of carotenoids, especially alpha-carotene, in mothers in the early postpartum period.
Pregnancy and lactation can change the maternal nutrient reserve. Non-invasive, quantitative markers of maternal nutrient intake could enable personalized dietary recommendations that improve health outcomes in mothers and infants. Macular pigment optical density (MPOD) is a candidate marker, as MPOD values generally reflect carotenoid intake. We evaluated the association of MPOD with dietary and breastmilk carotenoids in postpartum women. MPOD measurements and dietary intake of five carotenoids were obtained from 80 mothers in the first three months postpartum. Breastmilk samples from a subset of mothers were analyzed to determine their nutrient composition. The association between MPOD and dietary or breastmilk carotenoids was quantitatively assessed to better understand the availability and mobilization of carotenoids. Our results showed that dietary alpha-carotene was positively correlated with MPOD. Of the breastmilk carotenoids, 13-cis-lutein and trans-lutein were correlated with MPOD when controlled for the total lutein in breastmilk. Other carotenoids in breastmilk were not associated with MPOD. Maternal MPOD is positively correlated with dietary intake of alpha-carotene in the early postpartum period, as well as with the breastmilk content of lutein. MPOD may serve as a potential marker for the intake of carotenoids, especially alpha-carotene, in mothers in the early postpartum period.
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