The Effectiveness of Rambutan (Nephelium lappaceum L.) Extract in Stabilization of Sunflower Oil under Accelerated Conditions

Antioxidants
Winne Sia Chiaw MeiYim Hip Seng

Abstract

The oxidative properties of sunflower oil supplemented with rambutan extract, (crude extract and its fractionated fraction, SF II) in comparison with synthetic antioxidant were investigated. The supplemented sunflower oils were stored under accelerated conditions for 24 days at 60 °C. For every 6-day interval, the oxidative properties of the supplemented sunflower oil were evaluated based on the following tests, namely peroxide value, p-anisidine value, Thiobarbituric Acid Reactive Substances (TBARS) assay, iodine value and free fatty acids. The total oxidation (TOTOX) values were also calculated based on the peroxide values and p-anisidine values. Rambutan extract is a potential source of antioxidant. The oxidative activities of the extracts at all concentrations were significantly (p < 0.05) higher than the control. Generally, the partially fractionated fraction was more effective than the crude extract. With a 2-year storage period at ambient temperature, the fractionated fraction of the extract, SF II at 300 ppm, was observed to work more effectively than the synthetic antioxidant, t-Tocopherol, and it possessed a protective effect comparable with butylatedhydrioxynanisole (BHA). Therefore, rambutan extract could be used as...Continue Reading

References

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Citations

Nov 5, 2019·Journal of the Science of Food and Agriculture·Shujuan YuMingshun Chen
Jun 1, 2017·Journal of Food Science and Technology·Selin ŞahinMehmet Bilgin
Jan 23, 2020·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Jana GoritschnigMarc Pignitter
Aug 23, 2020·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Luana IzzoAlberto Ritieni
Feb 8, 2019·Journal of Food Science and Technology·Yasser Shahbazi, Nassim Shavisi
Mar 8, 2017·Food Science & Nutrition·Zahra Sayyari, Reza Farahmandfar
Mar 7, 2019·International journal for vitamin and nutrition research. Internationale Zeitschrift für Vitamin- und Ernährungsforschung. Journal international de vitaminologie et de nutrition·Amel KananeAli Ammouche
Apr 4, 2021·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Hadeil Alsufiani, Wafaa Ashour

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Methods Mentioned

BETA
column chromatography
Assay
MDA

Software Mentioned

SPSS

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