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International Research Journal of Pure and Applied Chemistry

International Research Journal of Pure and Applied Chemistry, ISSN: 2231-3443,Vol.: 16, Issue.: 1




Accelerated Storage Stability of Refined Cotton Oil in Term of Free Fatty Acid and Thiobarbituric Acid



Anjani1* and Rajvir Singh1

1Department of Chemistry and Biochemistry, Chaudhary Charan Singh Haryana Agricultural University, Hisar-125004, India.




Aims: To study accelerated storage stability of refined cotton oil in term of free fatty acid and thiobarbituric acid.

Place and Duration of Study: Department of Chemistry and Biochemistry, CCS Haryana Agricultural University, Hisar-125004, India, between January 2014 to continuing.

Methodology: The seeds of cotton, sesame and sunflower were collected and ground into fine powder. The seed oil of cotton was extracted and studied for their chemical parameters. The dried defatted seed meal of sunflower and sesame were extracted with acetone and further used as antioxidants. Crude oil was chemically refined and stored for 120 days at 50°C. Free fatty acid (FFA) and thiobarbituric acid (TBA) were studied periodically during accelerated storage. 

Results: FFA and TBA values were increased regularly during storage period. All added antioxidants lowered the FFA and TBA. Tertiary butylated hydroxy quinone (TBHQ) was most effective antioxidants. Sesame and sunflower meal extracts appreciably lowered the FFA and TBA values during storage period of 120 days and have high antioxidant efficacy against oil oxidation even higher than propyl gallate (PG). Among both meal extracts, sesame meal extract is more effective against vegetable oil protection than sunflower meal extracts.

Conclusion: Sesame and sunflower meals extracts can be used against refined cotton oil oxidation. This is economical also because these are being discarded as by-products.


Keywords :

Accelerated storage; free fatty acid; refined cotton oil; thiobarbituric acid.


Full Article - PDF    Page 1-7    Article Metrics


DOI : 10.9734/IRJPAC/2018/40401

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