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Research Journal of Pharmacy and Technology
Year : 2018, Volume : 11, Issue : 8
First page : ( 3323) Last page : ( 3329)
Print ISSN : 0974-3618. Online ISSN : 0974-360X.
Article DOI : 10.5958/0974-360X.2018.00611.X

Effects of Gamma Irradiation on FT-IR Fingerprint, Phenolic Contents and Antioxidant Activity of Foeniculum vulgare and Carum carvi Seeds

Ali Sami I.1,*, El-Emary Gehan A. E.2, Mohamed Amal A.1,3

1Plant Biochemistry Dept., National Research Centre, 33 El Bohouth St., Dokki, Giza, Egypt. P.O. 12622, ID: 60014618

2Faculty of Technology and Development, Zagazig University, Egypt

3Chemistry Dept., University College-Umm Al-Qura University, Saudi Arabia

*Corresponding Author E-mail: samiali.nrc@gmail.com

Online published on 31 October, 2018.

Abstract

Foeniculum vulgare and Carum carvi have been known as medicinal and aromatic herbs and their seeds have been used as a spice and flavoring. Gamma irradiation effect on contents of total phenolic and total flavonoid, antioxidant activities and Fourier Transform Infrared (FT-IR) fingerprint of methanol extracts of F. vulgare and C. carvi seeds was investigated in this study. The seeds were irradiated with 5, 10 and 20 kGy γ-radiation. Contents of total phenolic and total flavonoid of both seeds were varied depending on the different doses of γradiation. For the antioxidant activity, the maximum 2, 2-diphenyl-1-picrylhydrazyl (DPPH) scavenging activity (IC50, 0.183 mg/ml) was presented in F. vulgare seeds when exposed to 5 kGy gamma irradiation. While C. Carvi seeds showed the uppermost DPPH scavenging activity (IC50, 0.180 mg/ml) when exposed to 20 kGy gamma irradiation. The FT-IR analysis of F. vulgare and C. carvi showed the presence of different functional groups which are related to different chemical constituents including carboxylic acids, alcohols, amines, amide, and phenols. In summary, gamma irradiation showed a positive effect on the contents of antioxidant and chemical constituents of F. vulgare and C. carvi seeds which lead to increase its pharmaceutical values.

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Keywords

Antioxidant activity, Carum carviFoeniculum vulgare, Gamma irradiation, FT-IR analysis.

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