Effect of gamma radiation on the antibacterial activity of Syzygium aromaticum
DOI:
https://doi.org/10.57056/ajet.v8i2.115Keywords:
Syzygium aromaticum, polyphenols, flavonoids, antibacterial activity, Gamma radiationAbstract
Irradiation is known as an effective method for decontamination and preservation of chemical and nutritional properties of various medicinal herbs and spices. This study was undertaken to evaluate the influence of irradiation dose (10kGy) on the antibacterial potency of Syzygium aromaticum (clove), plant known for its various biological properties notably its powerful antimicrobial power. Syzygium aromaticum (S. aromaticum) extract, prepared by maceration in methanol, was characterized by phytochemical analysis and colorimetric determination of chemical compounds. The antibacterial potential was also evaluated against this extract by observing growth inhibition zones. The result of gamma radiation effect on the clove, showed the preservation of main chemical constituents, with a significant increase in the content of total polyphenols and flavonoids. The methanolic extract of S. aromaticum revealed an inhibitory effect on the resistant strains, which improved significantly under the gamma radiation effect. These results seem very encouraging and suggest using gamma radiation as procedure to decontaminate the medicinal herbs and spices and improve the composition of extracts in bioactive molecules as well as their biological activities.
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Copyright (c) 2023 Samia Hadj Rabia , Yamina Hadj Rabia , Fatima Benmoussa , Sarah Medjber , Ramy Nouri , Amine Mokhtari , Belkacem Mansouri
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