A Strategy Based on GC-MS/MS, UPLC-MS/MS and Virtual Molecular Docking for Analysis and Prediction of Bioactive Compounds in Eucalyptus Globulus Leaves

被引:27
|
作者
Pan, Meng [1 ]
Lei, Qicheng [1 ]
Zang, Ning [2 ]
Zhang, Hong [1 ]
机构
[1] Zhejiang Gongshang Univ, Sch Food Sci & Biol Engn, Hangzhou 310035, Zhejiang, Peoples R China
[2] Guangxi Med Univ, Guangxi Med Res Ctr, Nanning 530021, Guangxi, Peoples R China
关键词
Eucalyptus globulus; GC-MS; MS; UPLC-MS; molecular docking; allelopathic test; PERFORMANCE LIQUID-CHROMATOGRAPHY; NATURAL-PRODUCTS; ESSENTIAL OILS; LEAF;
D O I
10.3390/ijms20163875
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
The discovery of medicinal plants is crucial for drug development. Eucalyptus globulus leaves are used as a traditional medicine in many areas of world due to herbicidal and insecticidal activity. While natural products are difficult to be separated and activity assayed, a new approach is needed to predict the active ingredients therein. In this study, a new method for screening active compounds extracted from E. globulus leaves was developed by GC-MS/MS and UPLC-MS/MS combined with molecular docking technology. Predicted compounds with high activity were proposed. Firstly, 35 volatile compounds and 34 aqueous extracted compounds were extracted from E. globulus leaves, and identified by GC-MS/MS and UPLC-MS/MS. The herbicidal receptor (1BX9) was then docked with the identified compounds by docking software, evaluated by docking models and seven scoring functions. The results showed that gallic acid had a strong inhibitory activity of 1BX9, which was speculated to be the main reason for the inhibitory effect of E. globulus leaves. Finally, allelopathic tests of gallic acid, citric acid, and isopulegol were carried out on grass seeds to verify its inhibitory activity against herbicide receptor 1BX9. The results show that the method can screen compounds with specific activity from a complex system of medicinal plants, which is very important for the screening of new active ingredients, confirmation of new medicinal ingredients, and the in-depth development of animal and plant medicines.
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收藏
页数:15
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