The majority of vitamin A is transported as retinyl esters in the blood of most carnivores.
作者： Florian J. Schweigert , Oliver A. Ryder , Walter A. Rambeck , Hermann Zucker
DOI: 10.1016/0300-9629(90)90741-A
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摘要: Abstract 1. In canines and mustelides total vitamin A was 10–50 times higher compared to other species due a high amount of retinyl esters (40–99% A) in blood plasma. The dominant ester most stearate. 2. Ursidae, Procyonidae, Viveridae Felidae, much lower. When present, however, also represented 10–65% 3. Only retinol detected plasma the family, Hyaenidae, suborder, Pinnipedia. 4. maned wolf cubs it found that retinol, α-tocopherol increased with age animals, reaching values comparable adult animals at 5 months.
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