Alkanol-ammonia-water/hexane extraction of flaxseed
1994
Wanasundara, J.P.D. | Shahidi, F.
A two-phase solvent-extraction system consisting of alkanol-ammonia-water and hexane was employed for the simultaneous extraction of oil and detoxification of flaxseed meal. Alkanols used were methanol, ethanol, and isopropanol. The two-phase solvent extraction consisting of methanol-ammonia-water/hexane resulted in the highest protein enrichment of the meal. However, the process did not change the content of non-protein nitrogenous compounds to any great extent. The methanol-ammonia-water/hexane extraction system, in addition to reducing the content of cyanogenic glycosides, performed well in reducing the content of phenolic acids, condensed tannins, and soluble sugars of the meal. However, phytic acid was not removed from the meals (on a protein basis). The oil recovered from the non-polar phase of the solvent system had an unaltered fatty-acid composition.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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