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Zeitschrift für Ernährungswissenschaft

, Volume 28, Issue 3, pp 225–230 | Cite as

Secretion pattern of retinol-binding protein in blood of goats: Effect of vitamin A, provitamin A and their dosing schedule

  • K. C. Goyal
  • Y. K. Sharma
  • H. S. Sharma
  • U. K. Misra
Original Contributions
  • 33 Downloads

Summary

Studies were conducted on the secretion of retinol-binding protein (RBP) in blood of goats given different treatments of preformed vitamin A, Β-carotene and plant carotenoids. Administration of these sources either in a single massive dose or massive dose split into four equal doses, markedly increased the secretion of RBP in blood. The secretion of RBP in blood occurred at least in two phases, one at early periods and the other at later periods.

Key words

RBP secretion vitamin A carotenoids goat 

Zusammenfassung

Die Sekretion von retinolbindendem Protein (RBP) ins Blut von Ziegen wurde nach unterschiedlicher Verabreichung von Vitamin A (Retinylacetat), Β-Carotin und einer Mischung von pflanzlichen Carotinoiden untersucht. Die Zufuhr dieser Verbindungen — entweder in einer einzelnen hohen Dosis oder in der gleichen Menge gleichmäßig auf 4 Tagesdosen verteilt — führte zu einem deutlichen Anstieg der RBP-Sekretion. Diese Sekretion erfolgte in zwei Phasen, von denen eine früh und eine später einsetzte.

Schlüsselwörter

RBP-Sekretion Vitamin A Carotinoide Ziege 

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Copyright information

© Dr. Dietrich Steinkopff Verlag 1989

Authors and Affiliations

  • K. C. Goyal
    • 1
    • 2
  • Y. K. Sharma
    • 1
    • 3
  • H. S. Sharma
    • 1
    • 4
  • U. K. Misra
    • 1
  1. 1.Department of BiochemistryV. P. Chest Institute University of DelhiDelhiIndia
  2. 2.Biochemistry, Division, Deutsches WollforschungsinstitutRWTHAachenWest Germany
  3. 3.Oklahoma State UniversityStillwaterUSA
  4. 4.M. P. I. für Physiologische und Klinische Forschung Bad NauheimWest Germany

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