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2020 Volume 11 Issue 2

Oxidative Stabilization of Olive Oil by Punicalagin During Storage


Rasha A. Mansouri
Abstract

This study aimed to evaluate the antioxidant activity of punicalagin, which is extracted from the pomegranate, on the stability of olive oil in comparison with butylated hydroxytoluene (BHT). The evaluation was carried out by measuring peroxide value (PV) and acid value (AV) to identify the primary products of oil oxidation. Thiobarbituric acid reactive substances (TBARS) and P-Ansidine value (PAV) were used to identify the secondary products of oxidation. Also, the total oxidation index (TOTOX) was calculated to evaluate the overall oxidation status of olive oil samples. Olive oil was divided into three groups: olive oil alone (control), olive oil with BHT, and olive oil with punicalagin. All samples were stored in the same conditions and tested for 60 days. The presence of punicalagin in olive oil significantly reduced peroxides (18.17 Meq/kg oil; p< 0.0001), acid value (5.32 mg KOH/g fat, p< 0.0001), TBARS formation (3.22 ug MDA/g oil, p<0.01), and P-AV (13.82; p<0.0001)  in comparison with the control (27.50 Meq/kg oil, 3.67 ug MDA/g oil, and 19.35, respectively). Also, the antioxidant activity exhibited by punicalagin showed similar effects as the synthetic antioxidant, BHT, with no significant differences between them in all parameters. These findings indicate substantial potential for using punicalagin as a natural preservative to improve the quality of oil during storage and to prolong its shelf life.


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JOURNAL OF BIOCHEMICAL TECHNOLOGY
JOURNAL OF BIOCHEMICAL TECHNOLOGY
Journal of Biochemical Technology is a peer reviewed International Journal published by the Sevas Publishing on behalf of the Biochemical Technology Society, a Registered Charity Organization from India

AREA OF INTEREST
AREA OF INTEREST
Areas of high interest, cover new advances in enzymatic and protein mechanims; applied molecular genetics and biotechnology; genomics and proteomics; metabolic; medical, environmental, food and agro biotechnology.

FOCUS AND SCOPE
FOCUS AND SCOPE
Journal Of Biochemical Technology” Provides A Medium For The Rapid Publication Of Full-Length Articles, Mini-Reviews Of New And Emerging Products And Short Communications On All Aspects Of ...

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This journal provides immediate open access to its content on the principle that making research freely available to the public supports a greater global exchange of knowledge. Keywords include, Biochemical Research: Endo/exocytosis, Trafficking, Membrane Biology, Cell Migration, Cell-Matrix Organelle Biogenesis, Cytoskeleton Proteolysis, Cell Death, Cell Cycle, Cancer, Cell Growth/Death, Differentiation, Drug Targets, Gene Therapy, Models of Disease, Proteomics, Stem Cells, Bioenergetics, Mitochondria, Free Radicals, Redox Signaling, Ion Transport/Channels, Oxidative