Abstract:
:Sex differences in macular pigment (MP) optical density (measured psychophysically) were examined. Concentrations of lutein and zeaxanthin (L and Z) (non-separated) and beta-carotene (BC) in the blood were determined using reverse phase high-performance liquid chromatography. Dietary intake of L and Z, BC, fat, and iron were estimated by questionnaire. Males had 38% higher MP density than females (P < 0.001) despite similar plasma carotenoid concentrations and similar dietary intake (except for fat). Dietary intake of carotenoids, fat and iron, as well as plasma concentrations of L and Z were positively related to MP density in males. Conversely, only plasma L and Z was related to MP density for females, and dietary fat was negatively related to MP density. Sex differences in protection of the retina by MP and in the relationship between the retina, blood and diet could be a factor in the incidence of retinal diseases, especially age-related macular degeneration.
journal_name
Vision Resjournal_title
Vision researchauthors
Hammond BR Jr,Curran-Celentano J,Judd S,Fuld K,Krinsky NI,Wooten BR,Snodderly DMdoi
10.1016/0042-6989(95)00290-1subject
Has Abstractpub_date
1996-07-01 00:00:00pages
2001-12issue
13eissn
0042-6989issn
1878-5646pii
0042-6989(95)00290-1journal_volume
36pub_type
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