Supercritical fluid extraction of all-trans-Lycopene from tomato
Gomez-Prieto, M.S. | Caja, M.M. | Herraiz, M. | Santa-Maria, G.
A procedure is proposed for the supercritical fluid extraction of all-trans-lycopene from tomato using carbon dioxide at 40 degrees C without modifier. The present method minimizes the risk of degradation via isomerization and oxidation of health-promoting ingredients, such as lycopene. The effect of different experimental variables on the solvating power of the supercritical fluid was evaluated in terms of both the selectivity achievable in the process and the yield of the extraction of all-trans-lycopene. Satisfactory separations of the all-trans-lycopene isomers from the cis counterparts were achieved using a C30 column. The obtained extract contained 88% all-trans-lycopene and 12% cis-lycopene.
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