Abstract
Solubilities in supercritical carbon dioxide of the predominant carotenes in tomato skin were measured. The use of a polymeric C30 RP-HPLC column to analyze the tomato extract made it possible to separate several geometric isomers from each carotene extracted. The Chrastil model was used to assign a solubility equation to each extracted carotene. Different solubility behaviors in supercritical carbon dioxide were shown by carotenes depending on their nature and configuration. The most soluble carotene was all-trans-phytoene and the least soluble was all-trans-lycopene. Significant differences in solubility were observed between the trans and cis isomers of lycopene. The results indicate that a fractionation of the tomato skin carotenes can be achieved by using supercritical CO2 extraction.
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Gómez-Prieto, M.S., Caja, M.M. & Santa-María, G. Solubility in supercritical carbon dioxide of the predominant carotenes of tomato skin. J Amer Oil Chem Soc 79, 897–902 (2002). https://doi.org/10.1007/s11746-002-0576-5
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DOI: https://doi.org/10.1007/s11746-002-0576-5