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研究了产自喜马拉雅山西北部的(DC.)Stapf 的精油的抗氧化和抗炎潜力。

and antioxidant and anti-inflammatory potential of essential oil of (DC.) Stapf. of North-Western Himalaya.

机构信息

Faculty of Applied Sciences and Biotechnology, Shoolini University of Biotechnology and Management Sciences, Solan, India.

Department of Biotechnology, Chandigarh Group of Colleges, Mohali, India.

出版信息

J Biomol Struct Dyn. 2022;40(24):14131-14145. doi: 10.1080/07391102.2021.2001371. Epub 2021 Nov 17.

Abstract

(DC.) Stapf is an aromatic perennial herb of Gramineae (Poaceae) family and is known for its application in food and healthcare industry. The present study aimed to evaluate anti-inflammatory and antioxidant potential of essential oil (CEO) through and studies. Chemical characterization of CEO was done using Gas chromatography-mass spectrophotometry (GC-MS) method. antioxidant activity was evaluated by 2,2-diphenyl-1-picrylhydrazyl (DPPH), 2, 2'-azino-bis (3-ethylbenzothiazoline-6-sulfonic acid (ABTS) and ferric ion reducing antioxidant power (FRAP) assays, while egg albumin denaturation method was used to evaluate anti-inflammatory activity of CEO. Molecular docking investigation of major phytocompounds of CEO was done using Autodock vina software against human peroxiredoxin 5 (PDB ID: 1HD2) and human cyclooxygenase 2 (PDB ID: 5IKQ) proteins, which were further analyzed through molecular dynamics (MD) simulation using YASARA. GC-MS analysis of CEO showed the presence of geranial (48%) neral (34.04%), β-myrcene (9.77%), geraniol (1.88%), linalool (0.84%), isogeranial (0.81%), β-caryophyllene (0.80%), D-limonene (0.51%) as major constituents. CEO showed significant antioxidant activity with DPPH (IC-47.53±2.16µg/ml), FRAP (IC-30.7±0.31µM), and ABTS assays (IC-27.87±0.09µg/ml). CEO also exhibited significant anti-inflammatory activity with IC-29.71±1.95µg/ml as compared to that of Diclofenac sodium (IC-36.52±1.95µg/ml). Molecular docking revealed that β-caryophyllene showed considerable binding potential with human peroxiredoxin 5 receptor (-6.0kcal/mol) and human cyclooxygenase 2 receptor (-10.1kcal/mol). Further, MD simulations demonstrated considerable and stable interactions of β-caryophyllene with 1HD2 and 5IKQ proteins up to 100ns. Drug-likeness and ADME/T features also showed that β-caryophyllene can be used as a potential candidate to replace the synthetic anti-inflammatory drugs with side effects and also act as natural antioxidants.Communicated by Ramaswamy H. Sarma.

摘要

(DC.)Stapf 是禾本科(禾本科)植物的一种芳香多年生草本植物,以其在食品和医疗保健行业的应用而闻名。本研究旨在通过和研究评估精油(CEO)的抗炎和抗氧化潜力。使用气相色谱-质谱联用(GC-MS)方法对 CEO 的化学成分进行了表征。通过 2,2-二苯基-1-苦基肼(DPPH)、2,2'-联氮-双(3-乙基苯并噻唑啉-6-磺酸)(ABTS)和铁离子还原抗氧化能力(FRAP)测定法评估抗氧化活性,而卵白蛋白变性法用于评估 CEO 的抗炎活性。使用 Autodock vina 软件对 CEO 的主要植物化合物进行了分子对接研究,针对人过氧化物酶 5(PDB ID:1HD2)和人环氧化酶 2(PDB ID:5IKQ)蛋白,然后使用 YASARA 通过分子动力学(MD)模拟进一步分析。CEO 的 GC-MS 分析表明,存在香叶醛(48%)橙花醛(34.04%),β-月桂烯(9.77%),香叶醇(1.88%),芳樟醇(0.84%),异香叶醛(0.81%),β-石竹烯(0.80%),D-柠檬烯(0.51%)作为主要成分。CEO 在 DPPH(IC-47.53±2.16μg/ml)、FRAP(IC-30.7±0.31μM)和 ABTS 测定中表现出显著的抗氧化活性。与双氯芬酸钠(IC-36.52±1.95μg/ml)相比,CEO 也表现出显著的抗炎活性,IC-29.71±1.95μg/ml。分子对接表明,β-石竹烯与人过氧化物酶 5 受体(-6.0kcal/mol)和人环氧化酶 2 受体(-10.1kcal/mol)具有相当的结合潜力。进一步的 MD 模拟表明,β-石竹烯与 1HD2 和 5IKQ 蛋白之间存在相当大的稳定相互作用,可达 100ns。药物相似性和 ADME/T 特征也表明,β-石竹烯可用作替代具有副作用的合成抗炎药物的潜在候选药物,也可用作天然抗氧化剂。由 Ramaswamy H. Sarma 传达。

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