PMID: 9446855Mar 7, 1998Paper

Ferrets (Mustela putoius furo) inefficiently convert beta-carotene to vitamin A

The Journal of Nutrition
J D LedermanJ W Erdman

Abstract

The ferret has recently been used as a model to evaluate the absorption and metabolism of several carotenoids; however, little is known about the vitamin A (VA) requirements of this species or the ability of ferrets to convert dietary beta-carotene (betaC) to VA. Three studies were conducted to estimate the daily utilization of VA in ferrets and to determine the effect of prior VA status on the ability of ferrets to utilize betaC as a source of VA. Weanling male ferrets were fed a pelleted, low carotenoid, semipurified diet either with (+VA) or without VA (-VA) for 21- to 35-d prefeeding periods. Upon initiation of the experiments, several ferrets were killed to determine base-line VA status. The remaining ferrets were fed VA, betaC, or VA and betaC in pelleted feed (Studies 1-3) or liquid carrier (Study 3) for 16-21 additional days. Hepatic VA and betaC concentrations were used as the primary indicators of VA status, although serum and adrenal VA and betaC also were measured. The results showed the following: 1) provision of betaC at up to a 15:1 weight ratio of betaC to VA in pelleted feed or liquid carrier was not sufficient to maintain hepatic VA stores after a -VA prefeeding period; 2) the daily utilization rate of VA by f...Continue Reading

References

Jan 11, 1992·The Journal of Nutrition·E T GuggerJ W Erdman
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Citations

Dec 25, 2002·The American Journal of Clinical Nutrition·Machteld van LieshoutRichard B van Breemen
Jul 29, 2009·Cell Biochemistry and Function·Wan-Teng LinChih-Yang Huang
Jul 30, 2011·Journal of Animal Physiology and Animal Nutrition·A S GreenA J Fascetti
Nov 26, 1999·The Journal of Nutrition·C M LeeJ W Erdman
Feb 22, 2008·The Journal of Nutrition·Chin-Shiu HuangMiao-Lin Hu
Nov 12, 2016·TheScientificWorldJournal·Alice S Green, Andrea J Fascetti
Feb 2, 2002·The Journal of Nutrition·Ahmad SulaemanJudy A Driskell
Jun 14, 2005·Biochimica Et Biophysica Acta·Ralph Rühl
Jul 19, 2011·Biochimica Et Biophysica Acta·Yohei ShirakamiWilliam S Blaner

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