Volume 19, Issue 122 (2022)                   FSCT 2022, 19(122): 236-246 | Back to browse issues page

‎ 10.52547/fsct.19.122.236
‎ 20.1001.1.20088787.1401.19.122.27.0

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Sharif Nasirian V, Shahidi S, Tahermansouri H, Chekin F. The adsorption and desorption of phytochemicalfrom lemon peel extract by the graphene oxide and its application as antioxidant in frying oil. FSCT 2022; 19 (122) :236-246
URL: http://fsct.modares.ac.ir/article-7-57239-en.html
The adsorption and desorption of phytochemicalfrom lemon peel extract by the graphene oxide and its application as antioxidant in frying oil
Valeh Sharif Nasirian1 , Seyed-Ahmad Shahidi 2, Hasan Tahermansouri3 , Fereshteh Chekin3
1- Department of Food Science and Technology, Islamic Azad University, Ayatollah Amoli Branch, Amol, Iran
2- Department of Food Science and Technology, Ayatollah Amoli Branch, Islamic Azad University, Amol, Iran , sashahidy@yahoo.com
3- Department of Chemistry, Ayatollah Amoli Branch, Islamic Azad University, Amol, Iran
Abstract:   (1759 Views)
In this study, the graphene oxide was used as adsorbent for the separation (adsorption and desorption) of flavonoids from lemon peel. Properties of desorption extract (total phenolic content, total flavonoid content, scavenging ability of DPPH free radicals) were determined. Antioxidant activity of desorption extract at three levels of 250, 500 and 1000 ppm and BHT synthetic antioxidant at 200 ppm in antioxidant-free frying oil were evaluated by measuring peroxide value, thiobarbituric acid test, conjugated DN and color index. Each gram of lemon peel extract contained 19767.20 μg phenolic compounds and 33.552 μg flavonoids on dry matter. Each gram of desorption extract contained 5861.56 μg phenolic compounds and 3.446 μg flavonoids on dry matter. Peroxide value, thiobarbituric acid, conjugated DN and color index of oil increased with increasing heating time and the highest increase was observed in the control treatment without antioxidants. Treatments containing desorption extract at 500 and 1000 ppm, can compete with BHT antioxidant. The results of this study indicated that desorption extract can be used as a replacement for synthetic antioxidants in oil.
Keywords: Antioxidants, Desorption extract, Flavonoids, Nanosorbent, Sweet lemon peel
Full-Text [PDF 536 kb]   (891 Downloads)    
Article Type: Original Research | Subject: Bioactive compounds
Received: 2021/11/18 | Accepted: 2021/12/18 | Published: 2022/04/5
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