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确定最佳抗氧化策略:通过液相色谱-高分辨率质谱法(LC-HRMS)和计算模型揭示的L.提取物中提取方法的比较分析。

Determining the optimal antioxidant strategy: a comparative analysis of extraction methods in L. extracts revealed by LC-HRMS and computational modeling.

作者信息

Bouakkaz Hicham, Erol Ebru, Benarous Khedidja, Topçu Gülaçtı, Mahfoudi Reguia, Djeridane Amar, Yousfi Mohamed

机构信息

Fundamental Sciences Laboratory, Amar Telidji University, Laghouat, Algeria.

Department of Analytical Chemistry, Faculty of Pharmacy, Bezmialem Vakıf University, İstanbul, Turkiye.

出版信息

Turk J Biol. 2024 Nov 12;49(1):1-27. doi: 10.55730/1300-0152.2720. eCollection 2025.

Abstract

BACKGROUND/AIM: L., a beloved tea herb, contains a treasure trove of potent antioxidants. Our research unveils this ancient ally's potential to shield against oxidative stress, a modern health threat.

MATERIALS AND METHODS

Antioxidant assays were conducted to evaluate the potency of ethyl acetate extract. IC values were determined for the extract in various antioxidant assays. Furthermore, molecular docking was employed for the examination of the 22 compounds analyzed through LC-HRMS. Additionally, ADMET and PASS investigations were conducted to evaluate their capability as antioxidants and inhibitors of oxidant formation.

RESULTS

Each identified compound boasts a history of antioxidant prowess, building the natural defense arsenal of . Antioxidant assays showed the potency of the ethyl acetate fraction with an IC value of 5.30 mg/L in the DPPH• test, which is better than that of the studied standard, α-tocopherol (36.35 mg/L). The pharmacokinetic profiles demonstrated good properties for the identified compounds. The PASS study unveiled their potential as antioxidants, and molecular docking showed their effectiveness as inhibitors of oxidant formation in the human body by blocking the studied targets.

CONCLUSION

This herb, a timeless testament to nature's bounty, stands poised to become a powerful weapon in our fight against oxidative stress, promising a future of natural well-being.

摘要

背景/目的:L. 是一种备受喜爱的茶用草本植物,含有大量强效抗氧化剂。我们的研究揭示了这种古老植物对抗氧化应激(一种现代健康威胁)的潜在作用。

材料与方法

进行抗氧化分析以评估乙酸乙酯提取物的效力。在各种抗氧化分析中测定该提取物的半数抑制浓度(IC)值。此外,采用分子对接来研究通过液相色谱 - 高分辨质谱分析的22种化合物。另外,进行了药物代谢动力学(ADMET)和预毒理学活性筛选系统(PASS)研究,以评估它们作为抗氧化剂和氧化剂形成抑制剂的能力。

结果

每种鉴定出的化合物都有抗氧化能力的历史记录,构成了L. 的天然防御武器库。抗氧化分析表明,乙酸乙酯馏分在二苯基苦味酰基自由基(DPPH•)测试中的半数抑制浓度值为5.30 mg/L,效力优于所研究的标准物质α - 生育酚(36.35 mg/L)。药代动力学特征表明鉴定出的化合物具有良好性质。PASS研究揭示了它们作为抗氧化剂的潜力,分子对接显示它们通过阻断所研究的靶点,作为人体中氧化剂形成抑制剂的有效性。

结论

这种草本植物是大自然慷慨馈赠的永恒证明,有望成为我们对抗氧化应激斗争中的有力武器,为自然健康的未来带来希望。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8c34/11913363/8e8570352b50/tjb-49-01-1f1.jpg

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