Influence of extraction with ethanol or ethyl acetate on the yield of lycopene, β-carotene,phytoene and phytofluene from tomato peel powder |
| |
Authors: | Marta M Calvo Diana Dado Guillermo Santa-María |
| |
Affiliation: | (1) Instituto de Fermentaciones Industriales CSIC, C/Juan de la Cierva 3, 28006 Madrid, Spain |
| |
Abstract: | This study evaluated the extraction yield of the food grade solvents ethanol and ethyl acetate by extracting lycopene, β-carotene,
phytoene and phytofluene from tomato peel powder at varying heating intensities, and the influence of the solvent and heating
intensity on carotenoids isomerization and degradation during extraction. The heat treatments assayed were 25, 35, 50 and
60 °C which were applied for periods of 5, 10, 20, 30 or 40 min. The carotenoid yield was higher in the extractions with ethanol
than with ethyl acetate. In general, the temperature increase caused an increase in the carotenoid concentrations; however
in the extractions performed with ethanol at 60 °C, the yield of (all-E)-lycopene and their (Z)-isomers was lower than at 50 °C. This could indicate that a great isomerization is produced in the high temperature extractions
with ethanol but the oxidative degradation is the predominant reaction. On the contrary, the obtained results in the extractions
with ethyl acetate indicate that the isomerization is the predominant reaction. |
| |
Keywords: | Yield of carotenoids Temperature of extraction Time of extraction Ethanol Ethyl acetate Carotenoids isomerization Carotenoids degradation |
本文献已被 SpringerLink 等数据库收录! |
|