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Sun Y, Geng Y, Ma L. Determination of o-quinones in foods by a derivative strategy combined with UHPLC-MS/MS. Food Chem 2024; 453:139638. [PMID: 38781898 DOI: 10.1016/j.foodchem.2024.139638] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2024] [Revised: 05/08/2024] [Accepted: 05/09/2024] [Indexed: 05/25/2024]
Abstract
As primary polyphenol oxidant products, the occurrence of o-quinone is greatly responsible for quality deterioration in wine, including browning and aroma loss. The high reactivity of o-quinone causes huge difficulty in its determination. Herein, a derivative strategy combined with UHPLC-MS/MS analysis was established with chlorogenic acid quinone (CQAQ) and 4-methylcatechol quinone (4MCQ) as model compounds. Method validation demonstrated its efficiency for two analytes (R2 > 0.99, accuracy 98.71-106.39 %, RSD of precision 0.46-6.11 %, recovery 85.83-99.37 %). This approach was successfully applied to detect CQAQ and 4MCQ, suggesting its applicability in food analysis. CQAQ in coffee was much more than 4MCQ and with the deepening of baking degree, CQAQ decreased and 4MCQ increased. The amounts of CQAQ in various vegetables were markedly different, seemingly consistent with their respective browning degrees in practical production. This study developed an accurate and robust analytical approach for o-quinones, providing technical support for their further investigation in foods.
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Affiliation(s)
- Yue Sun
- College of Enology and Horticulture, Engineering Research Center of Grape and Wine, Ministry of Education, Ningxia University, Yinchuan 750021, Ningxia, China
| | - Yaqian Geng
- College of Food Science and Nutritional Engineering, National Engineering Research Centre for Fruits and Vegetables Processing, Key Laboratory of Fruits and Vegetables Processing, Ministry of Agriculture, Engineering Research Centre for Fruits and Vegetables Processing, Ministry of Education, China Agricultural University, Beijing 10083, China
| | - Lingjun Ma
- College of Food Science and Nutritional Engineering, National Engineering Research Centre for Fruits and Vegetables Processing, Key Laboratory of Fruits and Vegetables Processing, Ministry of Agriculture, Engineering Research Centre for Fruits and Vegetables Processing, Ministry of Education, China Agricultural University, Beijing 10083, China.
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Wei Y, Chen T, Song H, Wang S, Shen C, Wang X, Li Y, Wang J. Rapidly screening of pancreatic lipase inhibitors from Clematis tangutica using affinity ultrafiltration-HPLC-QTOFMS technique combined with targeted separation, in vitro validation, and molecular docking. PHYTOCHEMICAL ANALYSIS : PCA 2024. [PMID: 39009466 DOI: 10.1002/pca.3422] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/12/2024] [Revised: 06/27/2024] [Accepted: 07/01/2024] [Indexed: 07/17/2024]
Abstract
INTRODUCTION Screening of novel pancreatic lipase inhibitors from complex natural products is a meaningful task. OBJECTIVES Through accurately screening and separating pancreatic lipase inhibitors from Clematis tangutica (C. tangutica), to discover new leading compounds for slimming and accelerate the development and utilization of Tibetan medicine resources. METHODS An integrated strategy that combines affinity ultrafiltration and high-performance liquid chromatography-quadrupole time-of-flight mass spectrometry (AU-HPLC-QTOFMS), targeted separation, in vitro validation, and molecular docking was developed to screen pancreatic lipase inhibitors from C. tangutica. The AU-HPLC-QTOFMS technique was performed to fish for the potential active substances. Macroporous resin, preparative liquid chromatography, and high-speed countercurrent chromatography were implemented for the accurate and targeted separation of active compounds. The inhibitory activities of target compounds to pancreatic lipase were detected by the inhibition experiments in vitro. The binding affinities and binding sites were analyzed using molecular docking. RESULTS A total of eleven kinds of pancreatic lipase inhibitory substances were screened from C. tangutica. Seven triterpenoid saponins were screened for the first time as lipase inhibitors and successfully prepared with purities higher than 97%. Tanguticoside B, clematangoticoside J, hederoside H1, and rutin showed stronger inhibitory effects with IC50 values of 1.539 ± 0.048, 1.661 ± 0.092, 1.793 ± 0.069, and 1.792 ± 0.094 mmol/l. Moreover, they have the lowest ΔG values of -10.84, -9.97, -10.87, and -9.39 kcal/mol to pancreatic lipase. CONCLUSION The integrated strategy using AU-HPLC-QTOFMS, targeted separation, in vitro validation, and molecular docking was feasible for rapidly screening and directionally isolating pancreatic lipase inhibitors from C. tangutica.
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Affiliation(s)
- Yangfei Wei
- Key Laboratory of Hexi Corridor Resources Utilization of Gansu, Hexi University, Zhangye, China
- Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining, China
| | - Tao Chen
- Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining, China
| | - Hai Song
- Key Laboratory of Hexi Corridor Resources Utilization of Gansu, Hexi University, Zhangye, China
| | - Shuo Wang
- Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining, China
| | - Cheng Shen
- Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining, China
| | - Xiaojun Wang
- Key Laboratory of Hexi Corridor Resources Utilization of Gansu, Hexi University, Zhangye, China
| | - Yulin Li
- Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining, China
| | - Junke Wang
- Key Laboratory of Hexi Corridor Resources Utilization of Gansu, Hexi University, Zhangye, China
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Hou W, Niu H, Liu Z, Zhang Y, Li S, Liu C. In-depth analysis of the xanthine oxidase inhibitors of Cicer arietinum L.-based receptor-ligand affinity coupled with complex chromatography. PHYTOCHEMICAL ANALYSIS : PCA 2023; 34:997-1008. [PMID: 37518935 DOI: 10.1002/pca.3267] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Revised: 07/05/2023] [Accepted: 07/10/2023] [Indexed: 08/01/2023]
Abstract
INTRODUCTION Cicer arietinum L. is the choice of health food for people with diabetes, hypertension, and hyperlipidemia. As an essential source of high-nutrition legumes, it is also an important source of dietary isoflavones. OBJECTIVES In order to improve the preparation efficiency of natural plants, a rapid biological activity screening and preparation of xanthine oxidase inhibitors from C. arietinum L. was established. METHODS Xanthine oxidase (XOD) inhibitors were rapidly screened using ultrafiltration liquid chromatography-mass spectrometry (UF-LC-MS) based on receptor-ligand affinity. The change in XOD activity was evaluated by enzymatic reaction kinetics measurement. The potential bioactive compounds were verified through molecular docking. In addition, the biological activity of ligands screened was separated and purified by complex chromatography. The structures of the compounds were identified by nuclear magnetic resonance spectroscopy. RESULTS Three active ingredients, namely daidzin, daidzein, calycosin with XOD binding affinities were identified and isolated from the raw plant materials via semi-preparative high-performance liquid chromatography (HPLC), 0-60 min, 5-50% B and countercurrent chromatography (CCC) (ethyl acetate/acetic acid/water [5:0.8:10, v/v/v]). CONCLUSION This study will help to elucidate the mechanisms of action of natural plants of interest at the molecular level and could also provide more opportunities for the discovery and development of new nutritional value from other natural resources.
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Affiliation(s)
- Wanchao Hou
- Central Laboratory, Changchun Normal University, Changchun, China
| | - Huazhou Niu
- Central Laboratory, Changchun Normal University, Changchun, China
| | - Zhen Liu
- Central Laboratory, Changchun Normal University, Changchun, China
| | - Yuchi Zhang
- Central Laboratory, Changchun Normal University, Changchun, China
| | - Sainan Li
- Central Laboratory, Changchun Normal University, Changchun, China
| | - Chunming Liu
- Central Laboratory, Changchun Normal University, Changchun, China
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Efficient combination of ionic-liquid-based ultrasound-assisted extraction, complex chromatography, and molecular docking for screening of acetylcholinesterase inhibitors from Ganoderma atrum. JOURNAL OF FOOD MEASUREMENT AND CHARACTERIZATION 2022. [DOI: 10.1007/s11694-022-01699-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Li Y, Jia Q, Zhang M, Kang L, Li Z, Liu Y, Zhang H, Hu P. Isolation of three glucaric acids from Leonurus japonicus Houtt. by using high-speed countercurrent chromatography combined with semi-preparative high-performance liquid chromatography. J Sep Sci 2022; 45:2140-2147. [PMID: 35396803 DOI: 10.1002/jssc.202100876] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2021] [Revised: 03/07/2022] [Accepted: 04/04/2022] [Indexed: 11/11/2022]
Abstract
The isomerism of glucaric acids and the complexity of composition of Leonurus. japonicus Houtt. increased the difficulty of the separation of glucaric acids from the herb. In the present study, three glucaric acids were isolated from Leonurus japonicus Houtt. by using high-speed countercurrent chromatography combined with semi-preparative high-performance liquid chromatography. Cation exchange resin chromatography was applied to remove the alkaloids and enrich the glucaric acid fractions. Preliminary separation of glucaric acids extract by high-speed countercurrent chromatography was carried out at 45℃ by using an optimized solvent system of ethyl acetate/n-butanol/formic acid/water (1:1:0.01:2, v/v/v/v) with satisfied stationary phase retention and separation factor. The semi-preparative high-performance liquid chromatography was used for further separation and purification of the target fractions, and three monomeric compounds were obtained with the purities of 90.0%, 91.0%, and 95.3%. Ultraviolet Spectroscopy, Nuclear Magnetic Resonance Spectroscopy and MS were employed to identify their structures, which were assigned as 2-syringyl glucaric acid, 2,4-disyringyl glucaric acid, and 3,4-disyringyl glucaric acid, respectively, and 2,4-disyringyl glucaric acid was reported for the first time. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Yujie Li
- Shanghai Key Laboratory of Functional Materials Chemistry, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai, P. R. China
| | - Qiangqiang Jia
- Shanghai Key Laboratory of Functional Materials Chemistry, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai, P. R. China.,State Key Laboratory of Plateau Ecology and Agriculture, Qinghai University, Xining, P. R. China
| | - Min Zhang
- Engineering Research Centre of Pharmaceutical Process Chemistry, Ministry of Education, School of Pharmacy, East China University of Science and Technology, Shanghai, P. R. China
| | - Lu Kang
- Shanghai Key Laboratory of Functional Materials Chemistry, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai, P. R. China
| | - Zihan Li
- Shanghai Key Laboratory of Functional Materials Chemistry, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai, P. R. China
| | - Yu Liu
- Shanghai Key Laboratory of Functional Materials Chemistry, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai, P. R. China
| | - Hongyang Zhang
- Shanghai Key Laboratory of Functional Materials Chemistry, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai, P. R. China
| | - Ping Hu
- Shanghai Key Laboratory of Functional Materials Chemistry, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai, P. R. China
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Preparation from Lepidium meyenii Walpers using high-speed countercurrent chromatography and thermal stability of macamides in air at various temperatures. J Pharm Biomed Anal 2019; 164:768-776. [DOI: 10.1016/j.jpba.2018.11.041] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2018] [Revised: 11/13/2018] [Accepted: 11/16/2018] [Indexed: 12/12/2022]
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Zhu H, Jiang H, Yu J, Song X, Zhao H, Li J, Geng Y, Wang D. Application of coordination agent in high‐speed counter‐current chromatography for the preparative separation and isolation ginkgolic acids from the sarcotesta of
Ginkgo biloba
L. J Sep Sci 2018; 41:4379-4386. [DOI: 10.1002/jssc.201800637] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2018] [Revised: 10/03/2018] [Accepted: 10/03/2018] [Indexed: 11/09/2022]
Affiliation(s)
- Heng Zhu
- Key Laboratory of TCM Quality ControlShandong Analysis and Test CenterQilu University of Technology (Shandong Academy of Sciences) Jinan P. R. China
| | - Hailong Jiang
- Key Laboratory of TCM Quality ControlShandong Analysis and Test CenterQilu University of Technology (Shandong Academy of Sciences) Jinan P. R. China
| | - Jinqian Yu
- Key Laboratory of TCM Quality ControlShandong Analysis and Test CenterQilu University of Technology (Shandong Academy of Sciences) Jinan P. R. China
| | - Xiangyun Song
- Key Laboratory of TCM Quality ControlShandong Analysis and Test CenterQilu University of Technology (Shandong Academy of Sciences) Jinan P. R. China
| | - Hengqiang Zhao
- Key Laboratory of TCM Quality ControlShandong Analysis and Test CenterQilu University of Technology (Shandong Academy of Sciences) Jinan P. R. China
| | - Jingchao Li
- Key Laboratory of TCM Quality ControlShandong Analysis and Test CenterQilu University of Technology (Shandong Academy of Sciences) Jinan P. R. China
| | - Yanling Geng
- Key Laboratory of TCM Quality ControlShandong Analysis and Test CenterQilu University of Technology (Shandong Academy of Sciences) Jinan P. R. China
| | - Daijie Wang
- Key Laboratory of TCM Quality ControlShandong Analysis and Test CenterQilu University of Technology (Shandong Academy of Sciences) Jinan P. R. China
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Ahmad N, Ahmad R, Naqvi AA, Alam MA, Ashafaq M, Iqbal Z, Ahmad FJ. Isolation, characterization, and quantification of curcuminoids and their comparative effects in cerebral ischemia. J LIQ CHROMATOGR R T 2017. [DOI: 10.1080/10826076.2017.1293549] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Affiliation(s)
- Niyaz Ahmad
- Department of Pharmaceutics, College of Clinical Pharmacy, Dammam University, Dammam, Kingdom of Saudi Arabia
| | - Rizwan Ahmad
- Department of Natural Products and Alternative Medicine, College of Clinical Pharmacy, Dammam University, Dammam, Kingdom of Saudi Arabia
| | - Atta Abbas Naqvi
- Department of Pharmacy Practice, College of Clinical Pharmacy, University of Dammam, Dammam, Kingdom of Saudi Arabia
| | - Md Aftab Alam
- Department of Pharmaceutics, School of Medical and Allied Sciences, Galgotias University, Greater Noida, India
| | - Mohammad Ashafaq
- Neuroscience and Toxicology Unit, College of Pharmacy, Jazan University, Jazan, Saudi Arabia
| | - Zeenat Iqbal
- Nanomedicine Lab, Department of Pharmaceutics, Faculty of Pharmacy, Jamia Hamdard, New Delhi, India
| | - Farhan Jalees Ahmad
- Nanomedicine Lab, Department of Pharmaceutics, Faculty of Pharmacy, Jamia Hamdard, New Delhi, India
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Supercritical fluid chromatography for separation and preparation of tautomeric 7-epimeric spiro oxindole alkaloids from Uncaria macrophylla. J Pharm Biomed Anal 2017; 134:352-360. [DOI: 10.1016/j.jpba.2016.10.021] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2016] [Accepted: 10/25/2016] [Indexed: 12/19/2022]
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