Antioxidant Properties and Total Polyphenolic Contents of Post Distillation Solid Residue Extract from Gamma-Irradiated Clove Buds
abdelmoaty, A., Foda, F., Abo-El-Seoud, M., El-Hadary, A. (2023). Antioxidant Properties and Total Polyphenolic Contents of Post Distillation Solid Residue Extract from Gamma-Irradiated Clove Buds. EKB Journal Management System, 14(1), 7-12. doi: 10.21608/jacb.2023.182297.1040
A. A. abdelmoaty; F. F. A. Foda; M. A. Abo-El-Seoud; A. E. El-Hadary. "Antioxidant Properties and Total Polyphenolic Contents of Post Distillation Solid Residue Extract from Gamma-Irradiated Clove Buds". EKB Journal Management System, 14, 1, 2023, 7-12. doi: 10.21608/jacb.2023.182297.1040
abdelmoaty, A., Foda, F., Abo-El-Seoud, M., El-Hadary, A. (2023). 'Antioxidant Properties and Total Polyphenolic Contents of Post Distillation Solid Residue Extract from Gamma-Irradiated Clove Buds', EKB Journal Management System, 14(1), pp. 7-12. doi: 10.21608/jacb.2023.182297.1040
abdelmoaty, A., Foda, F., Abo-El-Seoud, M., El-Hadary, A. Antioxidant Properties and Total Polyphenolic Contents of Post Distillation Solid Residue Extract from Gamma-Irradiated Clove Buds. EKB Journal Management System, 2023; 14(1): 7-12. doi: 10.21608/jacb.2023.182297.1040

Antioxidant Properties and Total Polyphenolic Contents of Post Distillation Solid Residue Extract from Gamma-Irradiated Clove Buds

Journal of Agricultural Chemistry and Biotechnology
Article 2, Volume 14, Issue 1, January 2023, Page 7-12  XML PDF (967.09 K)
Document Type: Original Article
DOI: 10.21608/jacb.2023.182297.1040
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Authors
A. A. abdelmoaty email 1; F. F. A. Foda2; M. A. Abo-El-Seoud1; A. E. El-Hadary2
1Plant Research Department, Nuclear Research Center, Egyptian Atomic Energy Authority, Egypt.
2Biochemistry Department, Faculty of Agriculture, Benha University, Egypt.
Abstract
The current study was carried out to investigate the antioxidant activities of the solid waste residue obtained after removing the essential oils through  the distillation of γ-irradiated clove budsat three levels of doses (0, 5 and 10 kGy). The total phenolic and flavonoid contents (TPC and TFC) were assessed followed by HPLC  identification and quantification. The DPPH and FRAP methods were used to measure the antioxidant activity. The obtained results showed that 10 KGy doses  greatly improved the TPC, TFC, and antioxidant activities of the solid residue of clove buds. Ten phenolic components and eight flavonoid compounds were detected in non-irradiated and irradiated at 10 kGy in methanolic extracts by HPLC. Various levels of methanolic extract of the solid residue of irradiated clove buds at dose level of 10 kGy(100, 200, and 400 mg/L)were tested for these antioxidant activities against the oxidative changes in sunflower oil compared with control and BHT-treated samples. The sample containing clove solid residue at levels of 400 mg/L showed a good potential for oxidative stability (6.95h). Finally, the data obtained demonstrated that clove extracts are a promising source of bioactive components and a natural supply of antioxidant compounds. Hence, it also offers a variety of possible applications in the food and pharmaceutical industries.
Keywords
Gamma irradiation; Clove buds (Syzygium aromaticum); Antioxidant activity; post-distillation waste residue; Oxidative stability
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