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种子提取物的抗氧化、抗菌和抗诱变活性。

Antioxidant, antibacterial, and antimutagenic activity of seeds extracts.

作者信息

Zahin Maryam, Bokhari Najat A, Ahmad Iqbal, Husain Fohad Mabood, Althubiani Abdullah Safar, Alruways Mashael W, Perveen Kahkashan, Shalawi Misfera

机构信息

Department of Agricultural Microbiology, Faculty of Agricultural Sciences, Aligarh Muslim University, Aligarh-202002, UP, India.

Department of Botany and Microbiology, College of Science, King Saud University, Riyadh, Saudi Arabia.

出版信息

Saudi J Biol Sci. 2021 Sep;28(9):5094-5105. doi: 10.1016/j.sjbs.2021.05.030. Epub 2021 May 20.

Abstract

is a widely used plant in traditional remedies and known for its numerous biological properties. However, fraction-based antioxidant activity and their antimutagenic potential are not yet fully investigated. Different extracts of the seeds were obtained by sequential extraction in different solvents. All extracts were evaluated for antibacterial and antioxidant activities using different methods. The most active fraction was analyzed for antimutagenic activity using the Ames test. The antibacterial activity against methicillin-resistant (MRSA) was found to be more prominent compared to ESβL producing isolates. The MIC values were found to be lower against MRSA than . The extract showing highest antioxidant activity (methanol extract) was further tested for antimutagenic activity both against direct and indirect-acting mutagens. A varying level of antimutagenic activity was shown by methanol extract at highest tested concentration (200 µg/plate). Alkaloids, phenols, and flavonoids were detected as major class of compounds in methanol extract. Gas chromatography-mass spectrometry (GC-MS) analysis showed the presence of various phytocompounds. Based on molecular docking of two major active phytocompounds (piperine and copaene), they were found to interact at the minor groove of DNA. Molecular dynamics (MD) simulation revealed that both the ligands were quite stable with DNA under physiological conditions. The ability of phytocompounds to interact with DNA might be reducing the interaction of mutagens and could be one of the possible mechanism of anti-mutagenic activity of extract. This study highlights the antioxidant and antimutagenic potential of . The role of phytocompounds present in the bioactive extract is needed to be explored further for herbal drug research.

摘要

是一种在传统疗法中广泛使用的植物,以其众多生物学特性而闻名。然而,基于组分的抗氧化活性及其抗诱变潜力尚未得到充分研究。通过在不同溶剂中顺序萃取获得了种子的不同提取物。使用不同方法对所有提取物的抗菌和抗氧化活性进行了评估。使用艾姆斯试验分析了活性最高的组分的抗诱变活性。发现对耐甲氧西林金黄色葡萄球菌(MRSA)的抗菌活性比产超广谱β-内酰胺酶(ESβL)的分离株更显著。发现对MRSA的最低抑菌浓度(MIC)值低于……。表现出最高抗氧化活性的提取物(甲醇提取物)进一步针对直接和间接作用诱变剂进行了抗诱变活性测试。甲醇提取物在最高测试浓度(200µg/平板)下显示出不同程度的抗诱变活性。生物碱、酚类和黄酮类被检测为甲醇提取物中的主要化合物类别。气相色谱-质谱(GC-MS)分析表明存在各种植物化合物。基于两种主要活性植物化合物(胡椒碱和可巴烯)的分子对接,发现它们在DNA的小沟处相互作用。分子动力学(MD)模拟表明,在生理条件下,两种配体与DNA都相当稳定。植物化合物与DNA相互作用的能力可能会减少诱变剂的相互作用,这可能是提取物抗诱变活性的一种可能机制。本研究突出了……的抗氧化和抗诱变潜力。生物活性提取物中存在的植物化合物在草药研究中的作用需要进一步探索。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9957/8381071/fb3f3bf9e1db/gr1.jpg

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