The Antibacterial Activity of Crocothemis servilia Extract Against Staphylococcus aureus and Escherichia coli

Document Type : Original Article

Authors

1 Department of Biology, College of Education, University of Samarra, Iraq

2 Department of Pathological Analysis, College of Applied Sciences, University of Samarra, Iraq.

Abstract

An effective test of the insect body extract of Crocothemis servilia was performed Extraction was done using organic solvents such as hexane and ethanol alcohol to inhibit the growth of Staphylococcus aureus and Escherichia coli. While the antibiotics used in this study are Ciprofloxacin (CIP) and Ceftazidime (CAZ). Use the pits method for Crocothemis servilia extract and the disks method for antibiotics The results showed a higher effect of the extract with hexane solvent against S. aureus Compared to its inhibition of E. coli growth. As for the effectiveness of the extract with an ethanol alcohol solvent Higher inhibitory activity against E. coli than against S. aureus. However, the extract has good inhibitory efficacy compared to the standard comparator antibiotics The hexane extract against S. aureus has a diameter of inhibition (16.67) mm. For the ethanol alcohol extract, the diameter of inhibition is (19.67) mm against E. coli.

Keywords

Egyptian Academic Journal of Biological Sciences, G. Microbiology
Volume 15, Issue 2
December 2023
Pages 97-101

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