Abstract
AbstractAttempts to determine free fatty acids in petroleum ether extracts of cottonseed and crude cottonseed oil by conductivity measurements were unsuccessful due to interference of gossypol. With new strains of glandless cottonseed, which do not contain gossypol, analysis of free fatty acids by conductivity was successful on both the petroleum ether extracts and on the crude oil. An important advantage of conductivity over titration is that sample preparation is eliminated, since conductivity measurements are made on the oil extracts from the total oil determination.
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