High Performance Liquid Chromatography of Vitamin A A Quantitative Determination Ove Bohman and jell-~ke Engdahl Institute of Chemistry, University of Uppsala, P.O. Box 531, S-751 21 Uppsala, Sweden Hakan Johnsson The National Food Administration, P.O. Box 622, 5-751 26 Uppsala, Sweden
Vitamin A, which in the strict sense is an alcohol with the common name retinol. occurs in nature mainlv as fatty acid esters (I)
I
R=H R
=
all-eons-retinal (all-tronr-VitaminA )
cH,-c
