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L.,具有气相色谱/质谱、抗氧化、抗菌活性及预测功能的精油作为生物活性化合物的一个有前景的来源。

L., essential oil as a promising source of bioactive compounds with GC/MS, antioxidant, antimicrobial activities and predictions.

作者信息

Nouioura Ghizlane, El Fadili Mohamed, El Hachlafi Naoufal, Maache Souad, Mssillou Ibrahim, A Abuelizz Hatem, Lafdil Fatima Zahra, Er-Rahmani Sara, Lyoussi Badiaa, Derwich Elhoussine

机构信息

Laboratory of Natural Substances, Pharmacology, Environment, Modeling, Health and Quality of Life (SNAMOPEQ), Faculty of Sciences Dhar El Mehraz, Sidi Mohamed Ben Abdellah University, Fez, Morocco.

LIMAS Laboratory, Faculty of Sciences Dhar El Mehraz, Sidi Mohamed Ben Abdellah University, Fez, Morocco.

出版信息

Front Chem. 2024 Jun 20;12:1369745. doi: 10.3389/fchem.2024.1369745. eCollection 2024.

Abstract

L. essential oil (CS-EO) is being evaluated for its antioxidant and antimicrobial properties, and its volatile compounds are to be identified as part of this exploratory study. The processes underlying the biological properties were explained using simulations, including drug-likeness prediction, molecular docking, and pharmacokinetics (absorption, distribution, metabolism, excretion, and toxicity-ADMET). Chemical screening of CS-EO was conducted using gas chromatography-mass spectrometry (GC-MS). Five complementary techniques were used to assess the antioxidant activity of CS-EO: reducing power (RP), 2,2-diphenyl-1-picrylhydrazyl (DPPH), 2,2'-azinobis (3-ethylbenzothiazoline-6-sulfonate) (ABTS) radical scavenging activity, β-Carotene bleaching test (BCBT), and phosphomolybdenum assay (TAC). According to GC-MS analysis, linalool (59.04%), γ-Terpinene (13.02%), and α-Pinene (6.83%) are the main constituents of CS-EO. Based on the antioxidant assay results, CS-EO has been found to have a superior antioxidant profile. Its estimated scavenging rates for ABTS are 0.51 ± 0.04 mg/mL, BCBT is 9.02 ± 0.01 mg/mL, and CS-EO is 1.52 ± 0.14 mg/mL. demonstrated 6.13 ± 0.00 μg/mL for reducing power and 213.44 ± 0.45 mg AAE/mL for total antioxidant activity. The antimicrobial activity of CS-EO was assessed against five strains, including two gram-positive bacteria, two gram-negative bacteria, and one fungal strain (). Significant antibacterial and antifungal activities against all strains were found using the disc-diffusion assay, with zones of inhibition larger than 15 mm. The microdilution test highlighted the lowest MIC and MBC values with gram-positive bacteria, ranging from 0.0612 to 0.125% v/v for MIC and 0.125% v/v for MBC. The fungal strain's MFC was 1.0% v/v and its MIC was measured at 0.5%. Based on the MBC/MIC and MFC/MIC ratios, CS-EO exhibits bactericidal and fungicidal activity. The ADMET study indicates that the primary CS-EO compounds are good candidates for the development of pharmaceutical drugs due to their favorable pharmacokinetic properties. These results point to a potential application of this plant as a natural remedy and offer empirical backing for its traditional uses. It is a promising environmentally friendly preservative that can be used extensively in the food and agricultural industries to prevent aflatoxin contamination and fungal growth in stored goods.

摘要

罗勒精油(CS - EO)正在接受其抗氧化和抗菌性能的评估,作为这项探索性研究的一部分,其挥发性化合物有待鉴定。使用模拟方法解释了其生物学特性背后的过程,包括类药性预测、分子对接和药代动力学(吸收、分布、代谢、排泄和毒性 - ADMET)。使用气相色谱 - 质谱联用仪(GC - MS)对CS - EO进行化学筛选。使用五种互补技术评估CS - EO的抗氧化活性:还原能力(RP)、2,2 - 二苯基 - 1 - 苦基肼(DPPH)、2,2'- 偶氮二(3 - 乙基苯并噻唑啉 - 6 - 磺酸盐)(ABTS)自由基清除活性、β - 胡萝卜素漂白试验(BCBT)和磷钼酸测定法(TAC)。根据GC - MS分析,芳樟醇(59.04%)、γ - 萜品烯(13.02%)和α - 蒎烯(6.83%)是CS - EO的主要成分。基于抗氧化试验结果,发现CS - EO具有优异的抗氧化特性。其对ABTS的估计清除率为0.51±0.04 mg/mL,对BCBT为9.02±0.01 mg/mL,对CS - EO为1.52±0.14 mg/mL。还原能力为6.13±0.00 μg/mL,总抗氧化活性为213.44±0.45 mg AAE/mL。评估了CS - EO对五种菌株的抗菌活性,包括两种革兰氏阳性菌、两种革兰氏阴性菌和一种真菌菌株()。使用纸片扩散法发现对所有菌株均有显著的抗菌和抗真菌活性,抑菌圈大于15 mm。微量稀释试验突出了革兰氏阳性菌的最低MIC和MBC值,MIC范围为0.0612至0.125% v/v,MBC为0.125% v/v。真菌菌株的MFC为1.0% v/v,MIC测定为0.5%。基于MBC/MIC和MFC/MIC比率,CS - EO表现出杀菌和杀真菌活性。ADMET研究表明,CS - EO的主要化合物因其良好的药代动力学特性是开发药物的良好候选物。这些结果表明这种植物作为天然药物的潜在应用,并为其传统用途提供了实证支持。它是一种有前途的环保防腐剂,可广泛用于食品和农业行业,以防止储存货物中的黄曲霉毒素污染和真菌生长。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ed57/11226197/00d522f24ec7/fchem-12-1369745-g001.jpg

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