Application of urea complexes in the purification of fatty acids, esters, and alcohols. III. Concentrates of natural linoleic and linolenic ... View Full Text


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Article Info

DATE

1953-01

AUTHORS

Daniel Swern, Winfred E. Parker

ABSTRACT

Concentrates of natural linoleic acid (linoleic acid content, 85–95%) have been prepared in 50–72% yields from corn oil fatty acids by preferential precipitation of the saturated and monounsaturated fatty acids at room temperature as their urea complexes.By a similar procedure, concentrates of natural linolenic acid (linolenic acid content, 87–89%) have been prepared in 55–61% yields from perilla oil fatty acids by preferential precipitation of the saturated, monounsaturated, and diunsaturated fatty acids. Although concentrates of natural linolenic acid containing only 66–70% linolenic acid were obtained from linseed oil fatty acids, yields were 87–90%.A levelling-off effect has been observed in the use of the preferential precipitation technique in raising the purity of concentrates of linoleic and linolenic acid. This parallels the experience in the purification of these acids by low-temperature crystallization. More... »

PAGES

5-7

Identifiers

URI

http://scigraph.springernature.com/pub.10.1007/bf02639909

DOI

http://dx.doi.org/10.1007/bf02639909

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1035202646


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