NDLI: Two-phase solvent extraction of canola

Content Provider	Springer Nature Link
Author	Thobani, Mahmood Diosady, Levente L.
Copyright Year	1997
Abstract	The equilibrium relationships in the extraction process that was developed in our research laboratory for the treatment of canola were studied. In the process, hexane is used as well as CH$_{3}$OH that contains 5% (vol/vol) H$_{2}$O and 0.08% (w/w) NaOH to simultaneously produce improved meal and high-quality oil. Equilibrium data for canola oil in the hexane-CH$_{3}$OH/H$_{2}$o/NaOH, meal-hexane, and meal-CH$_{3}$OH/H$_{2}$O/NaOH-hexane systems are reported. A high partition coefficient for oil between hexane and the polar phase provided a large driving force for mass transfer. The presence of the CH$_{3}$OH phase improved oil extraction, probably by rupturing the cell structure. The process proved to be a somewhat less desirable replacement for CH$_{3}$OH/H$_{2}$O/NH$_{3}$ extraction and recovered 93.5% of the oil and 91.8% of the protein in the seed, while with CH$_{3}$OH/H$_{2}$O/NH$_{3}$, the oil and protein recoveries were 96.8 and 94.0%, respectively. The NaOH treatment removed only 50.2% of the glucosinolates, and some of the oil was hydrolyzed by the NaOH, making the process less effective, despite its simplicity.
Starting Page	207
Ending Page	214
Page Count	8
File Format	PDF
ISSN	0003021X
Journal	Journal of the American Oil Chemists' Society
Volume Number	74
Issue Number	3
e-ISSN	15589331
Language	English
Publisher	Springer-Verlag
Publisher Date	1997-01-01
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Canola meal canola oil canola seed extraction glucosinolates oil equilibrium Industrial Chemistry/Chemical Engineering Analytical Chemistry Chemistry/Food Science Biotechnology Biomaterials Agriculture
Content Type	Text
Resource Type	Article
Subject	Organic Chemistry Chemical Engineering

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