The objective of this study, taking into account technical and economical considerations,
is to develop amethod to separate and quantify all-E-isomers of -carotene, -carotene, -cryptoxanthin, lutein, lycopene, and zeaxanthin and (Z)-isomers of -carotene and lycopene based on two approaches: one performing a good separation and quantification but time and reagent consuming and the other more economically favourable but with a lower separation potential.