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Sustainable Extraction of Actinostemma lobatum Kernel Oil by 2-Methyltetrahydrofuran: A Comparative Study on Physicochemical Properties and Bioactive Compounds Against Petro-Sourced Solvents
Faculty
Agriculture
Year:
2025
Type of Publication:
ZU Hosted
Pages:
1682
Authors:
Sameh Abdrabou Elsayed Husseini Korma
Staff Zu Site
Abstract In Staff Site
Journal:
Foods MDPI
Volume:
14
Keywords :
Sustainable Extraction , Actinostemma lobatum Kernel , , 2-Methyltetrahydrofuran:
Abstract:
This study aims to evaluate the effect of extraction solvent type on the physicochemical properties and bioactive compounds of Actinostemma lobatum Maxim. kernel oil for two successive harvest years. Oils were extracted using the bio-based solvent 2-methyltetrahydrofuran (2-MeTHF) and conventional petroleum-derived solvents (n-hexane and 2-methylpentane). Results indicated that 2-MeTHF achieved significantly higher oil yields (27.60% in 2021 and 29.77% in 2022) compared to n-hexane and 2-methylpentane. Unfortunately, 2-MeTHF-extracted oils exhibited greater susceptibility to oxidation, displaying elevated levels of primary and secondary oxidation products relative to other solvents. Meanwhile, 2-methylpentane-extracted oil showed a relatively high oxidative stability index. In addition, differential scanning calorimetry results also aligned with the oxidative status. Further variance analysis revealed that the harvest year exerted a more pronounced impact on fatty acid and triacylglycerol profiles than the solvent type. Additionally, tocopherols and tocotrienols were abundant, with β- and δ-tocopherols predominating. 2-MeTHF-extracted oils harvested in 2022 contained the highest total tocols (1118.83 mg/kg) among all samples. Also, phytosterols were detected, with β-sitosterol constituting the predominant compound. Furthermore, the 2-MeTHF-extracted oils contained higher β-carotene contents compared to other samples. These above findings concluded that 2-MeTHF is a good alternative to conventional solvents for extracting of A. lobatum kernel oil.
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Department Related Publications
Mohammed Ibrahim Sehata , "Adiponectin and adrenocortical functions.", لايوجد, 1900
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Mohammed Ibrahim Sehata , "Serum lipids in terminal renal failure and its relation to protein deficiency and some 1 /1 /1990 Zagazig Medical Association Journal ", لايوجد, 1900
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Elsayed Mohamed Abdel Wahed Khalil, "Utilization of sebestan plum fruit nectar (Cordia dichotoma Forst) in the manufacture of flavoured nutraceutical yoghurt drink" الاستفادة من نكتار لب ثمار المخيط Cordia dichotoma في صناعة مشروب اليوجورت ذو الخواص الوقائية", Zagazig J. Agric. Res., 2013
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Galal Abdallah Galal Abedullah, "إستخدام السكرالوز ومستخلص أوراق الإستيفيا في إنتاج مخبوزات منخفضة السعرات.", كلية الزراعة - جامعة الزقازيق, 2014
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