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Animal Breeding and Genetics
Asian-Australasian Journal of Animal Sciences 2003;16(12): 1799-1803.
https://doi.org/10.5713/ajas.2003.1799    Published online January 1, 2003.
Use of Lycopene, an Antioxidant Carotinoid, in Laying Hens for Egg Yolk Pigmentation
D.-K. Kang, S.-I. Kim, C.-H. Cho, Y.-H. Yim, H.-S. Kim
The possibility of lycopene affecting egg yolk pigmentation was studied with lycopene diets containing 0, 4, 8, and 12 mg/g meal, respectively. The addition of lycopene above 4 mg/g meal significantly improved yolk color after four days of supplementation. The transfer of lycopene into egg yolk was confirmed by thin layer chromatography, and high-performance liquid chromatography-mass spectrometry (HPLC-MS). The deposition rate of lycopene into egg yolk was approximately 2%, which was quantitatively determined using a HPLC with a UV detector. The result indicates that lycopene is a good candidate for egg yolk pigmentation and for making functional eggs.
Keywords: Lycopene; HPLC-MS; Egg Yolk; Pigmentation; Deposition Rate

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