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Title

New hydrothermal treatment of alperujo enhances the content of bioactive minor components in crude pomace olive oil

AuthorsLama Muñoz, Antonio ; Rodríguez-Gutiérrez, Guillermo ; Rubio-Senent, F.; Gómez-Carretero, Antonio; Fernández-Bolaños Guzmán, Juan
KeywordsAlperujo
Olive oil
Minor components
Tocopherols
Sterols
Squalene
Triterpenic acids and alcohols
Steam treatment
Issue Date2011
PublisherAmerican Chemical Society
CitationJournal of Agricultural and Food Chemistry 59(4): 1115-1123 (2011)
AbstractThe application of a new process based on the hydrothermal treatment of olive oil waste (alperujo) led to a final solid rich in pomace olive oil (POO) enriched in minor components with functional activities. The effects of the time (15-90 min) and the temperature (150, 160, and 170 °C) of the thermal processing of alperujo on the yield, quality, and enrichment of minor components of crude POO were evaluated. The final treated solid had an increase in oil yield up to 97%, with a reduction in solids up to 35.6-47.6% by solubilization. Sterols increased up to 33%, aliphatic alcohols increased up to 92%, triterpenic alcohols increased up to 31%, squalene increased up to 43%, tocopherols increased up to 57%, and oleanolic acid increased up to 16% by the new treatment. The increase maintains a high concentration of functional substances probably even in the refining POO. © 2011 American Chemical Society.
URIhttp://hdl.handle.net/10261/53679
DOI10.1021/jf103555h
Identifiersdoi: 10.1021/jf103555h
issn: 0021-8561
e-issn: 1520-5118
Appears in Collections:(IG) Artículos
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