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Antioxidant activity of rambutan (Nephelium lappaceum L.) peel extract in soybean oil during storage and deep frying

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Abstract
Rambutan (Nephelium lappaceum L.) peel (RBP) is discarded as the main by-product during processing of the fruit. Increasing attention is now paid to the valorization of RBP for the recovery of valuable compounds. Geraniin, ellagic acid, quercetin, and rutin are the main phenolic compounds found in methanolic RBP extract. Extracted rambutan peel powder (ERPP) is used to evaluate the oxidative stability of soybean oil stored at 4 and 30 degrees C in the dark and light and deep fried with potatoes at 160 degrees C. Tert-butylhydroquinone (100 mu g g(-1) oil, TBHQ) serves as positive control. Oil supplemented with ERPP of 1000 mu g gallic acid equivalents (GAE) g(-1) of oil shows positive effects on the retardation of the oxidation process during storage in comparison with oil without addition. During deep frying, either ERPP (1000 mu g GAE g(-1)) or TBHQ retards the lipid oxidation of oil. Levels of thiobarbituric acid reactive substances of potatoes fried in oil fortified with the extract and TBHQ (0.4-0.59 mu g g(-1)) are much lower than those without the extract (1.31 +/- 0.10 mu g g(-1)) (p < 0.05). Therefore, RBP extract exhibits favorable antioxidant effects and can be used for effectively inhibiting lipid oxidation in oil during storage and deep frying. Practical Applications: An extract from rambutan fruit peel containing phenolic compounds, that is, geraniin, ellagic acid, rutin, and quercetin showed promising results to be used as potential antioxidants in soybean oil during deep frying. Both oxidation of the frying oil as well as the oxidation of the food product, that is, potatoes were inhibited. These results demonstrated that rambutan fruit peel extract can be used as a natural antioxidant in frying oil to replace synthetic antioxidants, that is, TBHQ.
Keywords
antioxidative compounds, lipid oxidation, phenolic compounds, rambutan fruit, soybean oil, OXIDATIVE STABILITY, PHENOLIC-COMPOUNDS, LIPID OXIDATION, BUTYLHYDROQUINONE TBHQ, TERT-BUTYLHYDROQUINONE, SUNFLOWER OIL, DNA-DAMAGE, GRAPE SEED, MALONDIALDEHYDE, PEROXIDATION

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MLA
Nguyen Nhat Minh, Phuong, et al. “Antioxidant Activity of Rambutan (Nephelium Lappaceum L.) Peel Extract in Soybean Oil during Storage and Deep Frying.” EUROPEAN JOURNAL OF LIPID SCIENCE AND TECHNOLOGY, vol. 122, no. 2, 2020.
APA
Nguyen Nhat Minh, P., Le, T. T., Nguyen, M. V. T., Van Camp, J., & Raes, K. (2020). Antioxidant activity of rambutan (Nephelium lappaceum L.) peel extract in soybean oil during storage and deep frying. EUROPEAN JOURNAL OF LIPID SCIENCE AND TECHNOLOGY, 122(2).
Chicago author-date
Nguyen Nhat Minh, Phuong, Thien Trung Le, Minh Viet Thao Nguyen, John Van Camp, and Katleen Raes. 2020. “Antioxidant Activity of Rambutan (Nephelium Lappaceum L.) Peel Extract in Soybean Oil during Storage and Deep Frying.” EUROPEAN JOURNAL OF LIPID SCIENCE AND TECHNOLOGY 122 (2).
Chicago author-date (all authors)
Nguyen Nhat Minh, Phuong, Thien Trung Le, Minh Viet Thao Nguyen, John Van Camp, and Katleen Raes. 2020. “Antioxidant Activity of Rambutan (Nephelium Lappaceum L.) Peel Extract in Soybean Oil during Storage and Deep Frying.” EUROPEAN JOURNAL OF LIPID SCIENCE AND TECHNOLOGY 122 (2).
Vancouver
1.
Nguyen Nhat Minh P, Le TT, Nguyen MVT, Van Camp J, Raes K. Antioxidant activity of rambutan (Nephelium lappaceum L.) peel extract in soybean oil during storage and deep frying. EUROPEAN JOURNAL OF LIPID SCIENCE AND TECHNOLOGY. 2020;122(2).
IEEE
[1]
P. Nguyen Nhat Minh, T. T. Le, M. V. T. Nguyen, J. Van Camp, and K. Raes, “Antioxidant activity of rambutan (Nephelium lappaceum L.) peel extract in soybean oil during storage and deep frying,” EUROPEAN JOURNAL OF LIPID SCIENCE AND TECHNOLOGY, vol. 122, no. 2, 2020.
@article{8638425,
  abstract     = {{Rambutan (Nephelium lappaceum L.) peel (RBP) is discarded as the main by-product during processing of the fruit. Increasing attention is now paid to the valorization of RBP for the recovery of valuable compounds. Geraniin, ellagic acid, quercetin, and rutin are the main phenolic compounds found in methanolic RBP extract. Extracted rambutan peel powder (ERPP) is used to evaluate the oxidative stability of soybean oil stored at 4 and 30 degrees C in the dark and light and deep fried with potatoes at 160 degrees C. Tert-butylhydroquinone (100 mu g g(-1) oil, TBHQ) serves as positive control. Oil supplemented with ERPP of 1000 mu g gallic acid equivalents (GAE) g(-1) of oil shows positive effects on the retardation of the oxidation process during storage in comparison with oil without addition. During deep frying, either ERPP (1000 mu g GAE g(-1)) or TBHQ retards the lipid oxidation of oil. Levels of thiobarbituric acid reactive substances of potatoes fried in oil fortified with the extract and TBHQ (0.4-0.59 mu g g(-1)) are much lower than those without the extract (1.31 +/- 0.10 mu g g(-1)) (p < 0.05). Therefore, RBP extract exhibits favorable antioxidant effects and can be used for effectively inhibiting lipid oxidation in oil during storage and deep frying. Practical Applications: An extract from rambutan fruit peel containing phenolic compounds, that is, geraniin, ellagic acid, rutin, and quercetin showed promising results to be used as potential antioxidants in soybean oil during deep frying. Both oxidation of the frying oil as well as the oxidation of the food product, that is, potatoes were inhibited. These results demonstrated that rambutan fruit peel extract can be used as a natural antioxidant in frying oil to replace synthetic antioxidants, that is, TBHQ.}},
  articleno    = {{1900214}},
  author       = {{Nguyen Nhat Minh, Phuong and Le, Thien Trung and Nguyen, Minh Viet Thao and Van Camp, John and Raes, Katleen}},
  isbn         = {{1438-7697}},
  journal      = {{EUROPEAN JOURNAL OF LIPID SCIENCE AND TECHNOLOGY}},
  keywords     = {{antioxidative compounds,lipid oxidation,phenolic compounds,rambutan fruit,soybean oil,OXIDATIVE STABILITY,PHENOLIC-COMPOUNDS,LIPID OXIDATION,BUTYLHYDROQUINONE TBHQ,TERT-BUTYLHYDROQUINONE,SUNFLOWER OIL,DNA-DAMAGE,GRAPE SEED,MALONDIALDEHYDE,PEROXIDATION}},
  language     = {{eng}},
  number       = {{2}},
  pages        = {{9}},
  title        = {{Antioxidant activity of rambutan (Nephelium lappaceum L.) peel extract in soybean oil during storage and deep frying}},
  url          = {{http://dx.doi.org/10.1002/ejlt.201900214}},
  volume       = {{122}},
  year         = {{2020}},
}

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