What is it about?
Gossypol is a pigment (yellow colored compound) present in cotton plant and cottonseed. During its processing to extract oil from cottonseed using solvent extraction it combines with the protein part and makes it toxic. We have extracted (separated) it from cottonseed meal using a safe and environment friendly solvent.
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Why is it important?
After soybean protein, cottonseed protein is most abundant in the world. it is currently underutilized due to the toxicity caused by gossypol. if the cottonseed protein can be extracted without gossypol content in it or minimum value needed for safe use, the cottonseed protein can be used for human and animal feed needs for the whole world. food grade solvents need to be utilized for this purpose as we have done in our work.
Perspectives
This paper showcases the ability of mixed solvent butanol-ethanol-water which is a green solvent to extract around 94.73% gossypol from defatted cottonseed meal. This provides much better results as compared to literature for further utilizing the cottonseed protein as food and feed rations and in multifarious feed applications.
Dr. Surinder Singh
Panjab University, Chandigarh
Read the Original
This page is a summary of: Batch extraction of gossypol from cottonseed meal using mixed solvent system and its kinetic modeling, Chemical Engineering Communications, January 2019, Taylor & Francis,
DOI: 10.1080/00986445.2018.1558214.
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