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Studies on Detaching Gossypol from Cottonseed with Acetone-Hexane-Water Mixtrue

Shou-Wu Wang

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Abstract

Extracting oil and gossypol with acetone-hexane-water nonhomogeneous phase mixture from cake obtained by cool-repressing cottonseed flakes was studies in this paper.The optimum technological conditions were as follow:extraction temperature is 47℃,the ratio of the solvent mixture is 50∶50∶6(A∶H∶W,V∶V∶V),the ratio of the solvent and cottonseed is 5∶1(mL/g),extraction time is 150 min.Under the above conditions,the residual free gossypol content,total gossypol content and the residue oil of the meals were lower than 0.060%,0.80%,1.0% respectively.A expensive by-product(crude gossypol) was produced.

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What this paper is about

Extracting oil and gossypol with acetone-hexane-water nonhomogeneous phase mixture from cake obtained by cool-repressing cottonseed flakes was studies in this paper.The optimum technological conditions were as follow:extraction temperature is 47℃,the ratio of the solvent mixture is 50∶50∶6(A∶H∶W,V∶V∶V),the ratio of the solvent and cottonseed is 5∶1(mL/g),extraction time is 150 min.Under the above conditions,the residual free gossypol content,total gossypol content and the residue oil of the meals were lower than 0.060%,0.80%,1.0% respectively.A expensive by-product(crude gossypol) was produced.

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Available abstract

Extracting oil and gossypol with acetone-hexane-water nonhomogeneous phase mixture from cake obtained by cool-repressing cottonseed flakes was studies in this paper.The optimum technological conditions were as follow:extraction temperature is 47℃,the ratio of the solvent mixture is 50∶50∶6(A∶H∶W,V∶V∶V),the ratio of the solvent and cottonseed is 5∶1(mL/g),extraction time is 150 min.Under the above conditions,the residual free gossypol content,total gossypol content and the residue oil of the meals were lower than 0.060%,0.80%,1.0% respectively.A expensive by-product(crude gossypol) was produced.

Key concepts: Gossypol, Acetone, Cottonseed oil, Hexane, Cottonseed, Chemistry, Solvent, Chromatography

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