There was no significant difference in TRL response. ![]() Results from repeated-measures 1-way ANOVA showed that the baseline and dose-adjusted lutein response in serum was significantly higher after egg consumption than after lutein, lutein ester, and spinach consumption on d 10. Subjects completed all 4 treatments of the study in random order. Triacylglycerol-rich lipoproteins (TRL) were separated from postprandial blood samples (0-24 h) after the first lutein dose and analyzed for lutein concentration. Serum samples were collected from fasting subjects on d -14, 1 (baseline), 2, 3, and 10 and analyzed for changes in lutein concentration. All lutein doses provided 6 mg lutein except for the lutein ester dose, which provided 5.5 mg lutein equivalents. After a 2-wk washout period during which they consumed a low-carotenoid diet, the men were administered 1 of 4 lutein doses ( lutein supplement, lutein ester supplement, spinach, and lutein-enriched egg) for 9 d. Healthy men (n = 10) participated in an intervention study with a crossover design. At present, data regarding bioavailability of lutein from various sources are insufficient. Lutein may be protective against diseases such as age-related macular degeneration (ARMD). Lutein bioavailability is higher from lutein-enriched eggs than from supplements and spinach in men.Ĭhung, Hae-Yun Rasmussen, Helen M Johnson, Elizabeth J
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