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Title

Effect of Long-Term Xanthophyll and Anthocyanin Supplementation on Lutein and Zeaxanthin Serum Concentrations and Macular Pigment Optical Density in Postmenopausal Women

AuthorsOlmedilla Alonso, Begoña ; Estévez Santiago, Rocío ; Silván, José Manuel ; Sánchez-Prieto, Milagros; Pascual-Teresa, Sonia de
KeywordsLutein
Zeaxanthin
Xanthophylls
Carotenoids
Anthocyanins
Macular pigment
Issue Date25-Jul-2018
PublisherMultidisciplinary Digital Publishing Institute
CitationNutrients 10(8): 959 (2018)
AbstractXanthophylls (lutein, L; zeaxanthin, Z) and anthocyanins are often included in food supplements to improve ocular health. There are no dietary reference intakes for them. The aim was to assess the effects of L, Z and anthocyanin supplementation on short and long-term lutein status markers (serum concentration and macular pigment optical density (MPOD)). Seventy-two postmenopausal women were randomized into a parallel study of 8 months: Group A—anthocyanines (60 mg/day); Group X—xanthophylls (6 mg L + 2 mg Z/day); Group X+A—anthocyanines (60 mg/day) + xanthophylls (6 mg L + 2 mg Z/day). At the beginning of the study, 4 and 8 month serum L and Z concentrations were determined (HPLC), as well as L, Z and anthocyanine dietary intake and MPOD (heterochromic flicker photometry). Baseline concentrations of L (0.35 ± 0.19 μmol/L), Z (0.11 ± 0.05 μmol/L), L+Z/cholesterol/triglycerides (0.07 ± 0.04 μmol/mmol) increased in Group X (2.8- and 1.6-fold in L and Z concentrations) and in group XA (2- and 1.4-fold in L and Z concentrations). MPOD (baseline: 0.32 ± 0.13 du) was not modified in any of the groups at the end of the study. There were no differences in the dietary intake of L+Z and anthocyanin at any point in time in any group. Supplementation of L and Z at a dietary level provoked an increase in their serum concentration that was not modified by simultaneous supplementation with anthocyanins.
Publisher version (URL)https://doi.org/10.3390/nu10080959
URIhttp://hdl.handle.net/10261/169020
DOI10.3390/nu10080959
ISSN2072-6643
Appears in Collections:(ICTAN) Artículos
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