Absorption efficiency of vitamin A from agar gel diets

C. L. Kinney, L. E. Gerber, J. W. Erdman

Research output: Contribution to journalArticlepeer-review


The purpose of this study was to evaluate 2% agar gel diets as a delivery system for light-sensitive vitamin A for growing rats. In one experiment the absorption of 3H-retinyl acetate from agar gel was determined to be at least as efficient as from corn oil. In a second experiment, partially vitamin A-depleted rats showed improved growth rate and increased serum and liver vitamin A concentrations when fed the RDA for vitamin A in gel diet for two weeks. It is concluded that the agar gel diet provides an excellent non-stressful vehicle for administration of small doses of vitamin A in rats.

Original languageEnglish (US)
Pages (from-to)143-150
Number of pages8
JournalNutrition Reports International
Issue number1
StatePublished - 1981

ASJC Scopus subject areas

  • Medicine (miscellaneous)
  • Food Science
  • Biochemistry
  • Endocrinology


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