Korean Journal of Poultry Science (한국가금학회지)

The Korean Society of Poultry Science (한국가금학회)
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Dietary Olive Oil, Canola Oil, and Sardine Oil on Fatty Acids Composition and Cholesterol Contents in Eggs

올리브기름, 카놀라기름 및 정어리기름의 급여가 계란의 지방산 조성 및 콜레스테롤 함량에 미치는 영향

  • Published : 1997.09.01
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Abstract

This study was conducted to investigate the influence of dietary olive oil, canola oil, or sardine oil on the fatty acids composition and cholesterol contents in eggs The experimental layers, 62~65 weeks of age, were randomly allotted to one of the four treatments; a) Control (commercial feed), b) T1 (commercial feed plus 10% olive oil), c) T2 (commercial feed plus 10% sardine oil), d) m (commercial feed plus 10% sardine oil) for 3 weeks. The egg samples were stored at 4${\pm}$1˚C for a certain period (1, 3, 5, 7, and 9 days) and analyzed for the fatty acids composition and cholesterol contents. The unsaturated fatty acid contents in the egg yolk were slightly decreased as the storage periods extended. The oleic acid content in T1 was the highest in all treatments. The linoleic and linolenic acid contents in T2 were higher than in the other treatments. The eicosahexaenoic acid (EPA), docosapentaenoic acid (DPA), and docosasahexaenoic acid ( DH A) contents in eggs from m were higher than the other treatments. The ratio of egg yolk n-6 /n-3 fatty acids contents in all treatments were slightly increased as the storage periods extended. The n-3 fatty acid contents of the egg yolk from T3 was the highest in all treatments. The cholesterol contents of the eggs were significantly decreased as the storage period extended(P<0.05). There was no significant difference in egg cholesterol content among all treatments.

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References

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