Assessment of Antibacterial Properties of Jatropha tanjorensis

Asian Journal of Applied Chemistry Research Pub Date : 2022-12-29 DOI:10.9734/ajacr/2022/v12i4227

C. Obum-Nnadi, C. Fredrick, Chika Muareen Ezenwa, Dennis Amaechi, OnyinyeChukwu Ngozi Ozoemena, Ohabughiro Ndidi

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Abstract

Aim: This study aimed at evaluating the Phytochemical and antibacterial properties of Jatropha tanjorensis against selected test bacteria. Methods: The antibacterial properties were tested using the agar-well diffusion technique. The Minimum Inhibitory Concentration (MIC) and Minimum Bactericidal Concentration (MBC) of the extracts were also determined. Phytochemical analysis of the hot and cold extracts revealed presence of flavonoids, glycosides, phenols, saponins, anthraquinones and tannis. Results: Results obtained revealed that the cold extracts were more effective than the hot extracts. Cold extracts of Jatropha tanjorensis leaf has antibacterial activity against E. coli and S. aureus. Hot extracts of Jatropha tanjorensis stem has very little antibacterial activity against S. marcescens at low concentrations with no MBC. Cold extract of Jatropha tanjorensis leaf was bactericidal for S. aureus at 250 mg/ml. Salmonella sp., E. coli, Pseudomonas sp., S. pyogenes, Serratia marcescens and Serratia marcescens were resistant to HE of Jatropha tanjorensis leaf and stem respectively. Conclusion: This study shows that there are phytochemicals present in Jatropha tanjorensis. The plant shows antibacterial properties against some bacteria, namely: Serratia marcescens, Staphylococcus aureus, Streptococcus pyogenes and Escherichia coli, indicating that they can be used as antimicrobials.

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麻疯树抗菌性能的评价

目的:研究麻疯树对实验细菌的植物化学和抑菌性能。方法:采用琼脂孔扩散法测定其抗菌性能。测定了各提取物的最小抑菌浓度(MIC)和最小杀菌浓度(MBC)。植物化学分析表明，冷热萃取液中含有黄酮类、苷类、酚类、皂苷类、蒽醌类和单宁类化合物。结果:冷浸提液比热浸提液更有效。麻疯树叶冷提物对大肠杆菌和金黄色葡萄球菌具有抑菌活性。麻疯树茎热提取物在低浓度、无MBC条件下对粘质葡萄球菌的抑菌活性极低。麻疯树叶冷浸提液250 mg/ml对金黄色葡萄球菌有杀菌作用。麻疯树叶片和茎中分别有沙门氏菌、大肠杆菌、假单胞菌、化脓性葡萄球菌、粘质沙雷菌和粘质沙雷菌的HE抗性。结论:麻疯树具有一定的植物化学成分。该植物对粘质沙雷氏菌、金黄色葡萄球菌、化脓性链球菌和大肠杆菌等细菌具有抗菌作用，可作为抗菌剂使用。

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Asian Journal of Applied Chemistry Research

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