2023
DOI: 10.1016/j.psj.2023.103046
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Deposition and bioconversion law of β-carotene in laying hens after long-term supplementation under adequate vitamin A status in the diet

Qixiang Miao,
Chaohua Tang,
Youyou Yang
et al.
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Cited by 4 publications
(5 citation statements)
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“…Finally, in view of the egg yolk amounts of lutein and astaxanthin being more than that of lycopene and β-carotene under the same addition level in feed, it is supposed that the xanthophyll may be easier to absorb and deposit in laying hens than carotene. Our previous study also showed that even with the fortification of β-carotene in eggs, lutein and zeaxanthin in eggs still account for a large proportion of carotenoids ( Miao et al, 2023 , Miao et al, 2023 ). However, the situation may be the opposite in cows, a study has pointed out that β-carotene is the dominant carotenoid in bovine milk, comprising 75 %–90 % of the total carotenoids ( Conboy et al, 2021 ).…”
Section: Deposition Characteristics Of Carotenoids In Livestock Productsmentioning
confidence: 82%
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“…Finally, in view of the egg yolk amounts of lutein and astaxanthin being more than that of lycopene and β-carotene under the same addition level in feed, it is supposed that the xanthophyll may be easier to absorb and deposit in laying hens than carotene. Our previous study also showed that even with the fortification of β-carotene in eggs, lutein and zeaxanthin in eggs still account for a large proportion of carotenoids ( Miao et al, 2023 , Miao et al, 2023 ). However, the situation may be the opposite in cows, a study has pointed out that β-carotene is the dominant carotenoid in bovine milk, comprising 75 %–90 % of the total carotenoids ( Conboy et al, 2021 ).…”
Section: Deposition Characteristics Of Carotenoids In Livestock Productsmentioning
confidence: 82%
“…Among these, this paper focuses on the interaction between carotenoids, especially competitive inhibition of different carotenoids. Our laboratory has found that with the increasing uptake of β-carotene in laying hens, there is a significant decrease of lutein and zeaxanthin in egg yolks ( Miao et al, 2023 , Miao et al, 2023 ). The research by Wang et al showed that the continuous supplementation of large amounts of any one of the three carotenoids (β-carotene, lutein and zeaxanthin) for 28 days could depress the amount of the other carotenoids in plasma, liver and other tissues and organs ( Wang et al, 2010 ).…”
Section: Metabolic Pathways Of Carotenoids In Animalsmentioning
confidence: 99%
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