Removal of cyclopropenoid fatty acids from cottonseed meals by solvent extraction

Chemical inactivation of cyclopropenoid fatty acids in commercial cottonseed meals was explored with three classes of compounds : anhydrous gases, organic acids and sulfhydryl compounds. Of the reagents screened, sulfur dioxide reduced the cyclopropenoid content by over 90% while free cottonseed fatty acids and thioglycollic acid reduced the cyclopropenoid fatty acid content by over 30%. Large batches of the above three selected meals, as well as a control commercial screw-pressed meal, were then incorporated at 20 wt % levels in the rations of laying hens. A negative control containing 25% soybean meal and a positive control containing a 2% refined cottonseed oil of known CPA content were also employed. During a four-week feeding period, eggs were collected during the third and fourth week and stored at 35 F for periods of 3 and 6 months. Overall egg quality and the fatty acid distribution of the yolk lipids were determined after the 3 and 6 months' storage periods.

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Chemical inactivation of cyclopropenoid fatty acids in cottonseed meals and their physiological evaluation

Reilich

O’Neill

Levi

et al. 1969

J Americ Oil Chem Soc

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Physiological Evaluation of Solvent‐Treated Cottonseed Meals in Rations for Laying Hens

Proctor

O’Neill

Reilich

et al. 1968

J Americ Oil Chem Soc

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Two commercial cottonseed meals, a direct solvent-extracted meal and a screw-pressed meal, were subjected to successive solvent-extraction procedures by using an acetone/hexane/water azeotrope to reduce their cyclopropenoid fatty acid content. The two original commercial meals, as well as a double-and triple-extracted portion, were then incorporated at 20 wt % levels in the rations of laying hens. A negative control containing 25% soybean meal and a positive control containing 2 % refined cottonseed oil of known CPA content were also employed. During a fourweek feeding period the eggs were collected during the third and fourth week and stored at 35F for periods of three and six months. Overall egg quality and the fatty acid distribution of the extracted yolk lipids were determined after the three-and six-month storage period.

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Extraction of lipids from cottonseed tissue: III. Cyclopropenoid fatty acids from glanded and glandless seed

Jacks

Hensarling

Yatsu

et al. 1973

J Americ Oil Chem Soc

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Removal of cyclopropenoid fatty acids from cottonseed meals by solvent extraction

Cited by 3 publications

References 9 publications

Chemical inactivation of cyclopropenoid fatty acids in cottonseed meals and their physiological evaluation

Chemical inactivation of cyclopropenoid fatty acids in cottonseed meals and their physiological evaluation

Physiological Evaluation of Solvent‐Treated Cottonseed Meals in Rations for Laying Hens

Extraction of lipids from cottonseed tissue: III. Cyclopropenoid fatty acids from glanded and glandless seed

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