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January 16, 2023AnimalsOpen Access

Natural Multi-Enriched Eggs with n-3 Polyunsaturated Fatty Acids, Selenium, Vitamin E, and Lutein

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Authors

ZKZlata KralikGKGordana KralikMKManuela Košević

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Overview

Controlled trial reveals substantial multi-enrichment of eggs with omega-3 fatty acids, selenium, vitamin E, and lutein in laying hens, highlighting an effective path to functional food design.

Key Points

  • To examine the feasibility of simultaneously enriching laying hen eggs with n-3 polyunsaturated fatty acids, organic selenium, vitamin E, and lutein through dietary oil and nutricine adjustments.
  • A total of 100 TETRA SL laying hens were allocated into two nutritional groups: a control group (C) fed a standard diet with 5% soybean oil, and an experimental group (E).
  • Group E received a diet replacing soybean oil with 1.5% fish oil, 1.5% rapeseed oil, and 2.0% linseed oil, fortified with higher amounts of organic selenium (0.47 mg/kg), vitamin E (125.2 mg/kg), and lutein (120.5 mg/kg).
  • Total n-3 polyunsaturated fatty acids were significantly increased in enriched eggs compared to control eggs (480.65 vs. 204.58 mg/100 g; p < 0.001).
  • Enriched eggs demonstrated significantly higher selenium (albumen increased 1.81-fold, yolk increased 1.18-fold), vitamin E (2.74-fold increase), and lutein (8.94-fold increase) compared to conventional eggs (all p < 0.001).

Cite This Study

Kralik et al. (2023) studied this question.

synapsesocial.com/papers/6a980fbb7f1bd40ee0e35893https://doi.org/10.3390/ani13020321
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Also Consider

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  1. 1n-3 PUFA Enriched Eggs as a Source of Valuable Bioactive Substances2023 · 19 citations
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  4. 4The Sensory Characteristics of Eggs Enriched With the fish and Linseed Oil2024 · 3 citations
  5. 5Inclusion of Lutein and Zeaxanthin in Standard or Omega-3 Fatty Acids Enriched Laying Hens Diets: Effects on Performance, Egg Quality Parameters, Fatty Acid Composition and Individual Carotenoids Concentration of Egg Yolk2024 · 1 citations