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Related Experiment Videos

Designer egg evaluation in a controlled trial.

P F Surai1, A MacPherson, B K Speake

  • 1Department of Biochemistry and Nutrition, SAC, Auchincruive, Ayr, Scotland KA6 5HW, UK. P.Surai@au.sac.ac.uk

European Journal of Clinical Nutrition
|April 4, 2000
PubMed
Summary
This summary is machine-generated.

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Consuming designer eggs enriched with vitamin E, lutein, and docosahexaenoic acid (DHA) for 8 weeks significantly boosted blood levels of these nutrients. This study confirms designer eggs effectively deliver key micronutrients in a palatable form.

Area of Science:

  • Human Nutrition
  • Biochemistry
  • Dietary Interventions

Background:

  • Designer eggs were developed to deliver enhanced levels of vitamin E, lutein, selenium (Se), and docosahexaenoic acid (DHA).
  • The efficacy of these enriched eggs in delivering micronutrients to humans was not previously established.

Purpose of the Study:

  • To evaluate the effectiveness of designer eggs in delivering vitamin E, lutein, Se, and DHA to humans.
  • To assess if these enriched eggs are palatable and visually acceptable.

Main Methods:

  • A double-blind, placebo-controlled trial was conducted with 40 healthy adult volunteers.
  • Participants consumed either a designer egg or a normal egg daily for 8 weeks.
  • Fasting blood samples were collected before and after the intervention period for analysis.

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Main Results:

  • Designer eggs significantly increased plasma levels of alpha-tocopherol (vitamin E), lutein, and DHA compared to normal eggs.
  • Plasma lutein showed the largest increase (1.88-fold).
  • DHA proportions increased across various plasma lipid classes, including triacylglycerol (2.3-fold) and phospholipid (1.3-fold). Selenium levels, blood pressure, and cholesterol profiles remained unchanged.

Conclusions:

  • Consumption of designer eggs for 8 weeks effectively increased blood levels of alpha-tocopherol, lutein, and DHA.
  • Designer eggs represent a viable dietary strategy for enhancing micronutrient intake.