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叶片二氯甲烷提取物和甲醇提取物的植物化学特征及其抗氧化和抗菌活性评估。

Phytochemical characterisation of dichloromethane and methanolic extracts of the leaves and evaluation of their antioxidant and antibacterial activities.

作者信息

Hatami Asma

机构信息

Department of Medicinal Chemistry, University of Isfahan, Isfahan, Iran.

出版信息

Nat Prod Res. 2024 Jul 31:1-8. doi: 10.1080/14786419.2024.2386127.

DOI:10.1080/14786419.2024.2386127
PMID:39086216
Abstract

Medicinal plants, known for their antibacterial phytocompounds and secondary metabolites, offer promising potential in combating antibiotic-resistant bacteria. This study aimed to perform a phytochemical analysis of the methanol and dichloromethane extracts obtained from leaves using GC-MS. Furthermore, the antioxidant activity of the extracts was evaluated through the DPPH assay. And, their antibacterial activity was assessed against , , methicillin-resistant , and vancomycin-resistant enterococcus (VRE) bacterial strains. Based on the results 90-92% of these extracts consisted of phytocompounds with pharmaceutical properties. Of these, 5-methyl- 2-(1-methylethylidele), Cyclohexanone (Pulegone; CHO) comprised the highest percentage of the extracts, constituting 62% of methanolic extract and 81% of dichloromethane extract. Also, both methanolic and dichloromethane extracts showed potent antioxidant activity with IC of 277.6 µg/ml and 49.6 µg/ml, respectively. Moreover, these extracts demonstrated considerable antibacterial activity against the tested pathogens, especially against and VRE.

摘要

药用植物以其抗菌植物化合物和次生代谢产物而闻名,在对抗抗生素耐药细菌方面具有广阔的潜力。本研究旨在利用气相色谱-质谱联用仪(GC-MS)对从叶片中获得的甲醇提取物和二氯甲烷提取物进行植物化学分析。此外,通过DPPH法评估提取物的抗氧化活性。并且,评估它们对金黄色葡萄球菌、大肠杆菌、耐甲氧西林金黄色葡萄球菌和耐万古霉素肠球菌(VRE)菌株的抗菌活性。根据结果,这些提取物中有90-92%由具有药用特性的植物化合物组成。其中,5-甲基-2-(1-亚乙基)环己酮(胡薄荷酮;CHO)在提取物中所占比例最高,占甲醇提取物的62%和二氯甲烷提取物的81%。此外,甲醇提取物和二氯甲烷提取物均表现出较强的抗氧化活性,IC50分别为277.6μg/ml和49.6μg/ml。此外,这些提取物对测试的病原体表现出相当大的抗菌活性,尤其是对金黄色葡萄球菌和VRE。

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引用本文的文献

1
Phytochemical profiling and antibacterial activities of root extracts: a molecular docking against VanA of vancomycin-resistant enterococci.根提取物的植物化学分析及抗菌活性:针对耐万古霉素肠球菌VanA的分子对接
3 Biotech. 2024 Sep;14(9):217. doi: 10.1007/s13205-024-04056-w. Epub 2024 Aug 30.