Targeted isolation and identification of bioactive compounds lowering cholesterol in the crude extracts of crabapples using UPLC-DAD-MS-SPE/NMR based on pharmacology-guided PLS-DA
Wen, Chao1,3; Wang, Dongshan2; Li, Xing1,3; Huang, Tao1,3; Huang, Cheng2; Hu, Kaifeng1
2018-02-20
发表期刊JOURNAL OF PHARMACEUTICAL AND BIOMEDICAL ANALYSIS
ISSN0731-7085
卷号150页码:144-151
摘要The anti-hyperlipidemic effects of crude crabapple extracts derived from Malus 'Red jade', Malus hupehensis (Pamp.) Rehd. and Malus prunifolia (Willd.) Borkh. were evaluated on high-fat diet induced obese (HF DIO) mice. The results revealed that some of these extracts could lower serum cholesterol levels in HF DIO mice. The same extracts were also parallelly analyzed by LC-MS in both positive and negative ionization modes. Based on the pharmacological results, 22 LC-MS variables were identified to be correlated with the anti-hyperlipidemic effects using partial least square discriminant analysis (PLS-DA) and independent samples t-test. Further, under the guidance of the bioactivity-correlated LC-MS signals, 10 compounds were targetedly isolated and enriched using UPLC-DAD-MS-SPE and identified/elucidated by NMR together with MS/MS as citric acid(1), p-coumaric acid(2), hyperoside(3), myricetin(4), naringenin(5), quercetin(6), kaempferol(7), gentiopicroside(8), ursolic acid(9) and 8-epiloganic acid(10). Among these 10 compounds, 6 compounds, hyperoside(3), myricetin(4), naringenin(5), quercetin(6), kaempferol(7) and ursolic acid(9), were individually studied and reported to indeed have effects on lowering the serum lipid levels. These results demonstrated the efficiency of this strategy for drug discovery. In contrast to traditional routes to discover bioactive compounds in the plant extracts, targeted isolation and identification of bioactive compounds in the crude plant extracts using UPLC-DAD-MS-SPE/NMR based on pharmacology-guided PLS-DA of LC-MS data brings forward a new efficient dereplicated approach to natural products research for drug discovery. (C) 2017 Elsevier B.V. All rights reserved.
关键词Crabapple Pls-da Uplc-dad-ms-spe/nmr Hyperlipidemia
语种英语
引用统计
文献类型期刊论文
条目标识符http://ir.kib.ac.cn/handle/151853/60567
专题植物化学与西部植物资源持续利用国家重点实验室
作者单位1.Chinese Acad Sci, Kunming Inst Bot, State Key Lab Phytochem & Plant Resources West Ch, Kunming 650201, Yunnan, Peoples R China
2.Shanghai Univ Tradit Chinese Med, Sch Pharm, Drug Discovery Lab, Shanghai 201203, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
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Wen, Chao,Wang, Dongshan,Li, Xing,et al. Targeted isolation and identification of bioactive compounds lowering cholesterol in the crude extracts of crabapples using UPLC-DAD-MS-SPE/NMR based on pharmacology-guided PLS-DA[J]. JOURNAL OF PHARMACEUTICAL AND BIOMEDICAL ANALYSIS,2018,150:144-151.
APA Wen, Chao,Wang, Dongshan,Li, Xing,Huang, Tao,Huang, Cheng,&Hu, Kaifeng.(2018).Targeted isolation and identification of bioactive compounds lowering cholesterol in the crude extracts of crabapples using UPLC-DAD-MS-SPE/NMR based on pharmacology-guided PLS-DA.JOURNAL OF PHARMACEUTICAL AND BIOMEDICAL ANALYSIS,150,144-151.
MLA Wen, Chao,et al."Targeted isolation and identification of bioactive compounds lowering cholesterol in the crude extracts of crabapples using UPLC-DAD-MS-SPE/NMR based on pharmacology-guided PLS-DA".JOURNAL OF PHARMACEUTICAL AND BIOMEDICAL ANALYSIS 150(2018):144-151.
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