scholarly journals Comprehensive Chemical Profiling in the Ethanol Extract of Pluchea indica Aerial Parts by Liquid Chromatography/Mass Spectrometry Analysis of Its Silica Gel Column Chromatography Fractions

Molecules ◽  
2019 ◽  
Vol 24 (15) ◽  
pp. 2784 ◽  
Author(s):  
Jingya Ruan ◽  
Jiejing Yan ◽  
Dandan Zheng ◽  
Fan Sun ◽  
Jianli Wang ◽  
...  
Keyword(s):  
Ethanol Extract ◽  
Negative Ion ◽  
Charge Ratio ◽  
Mass Spectrometry Analysis ◽  
Fragmentation Pattern ◽  
Exact Mass ◽  
Spectrometry Analysis ◽  
Chemical Profiling ◽  
Aerial Parts ◽  
Asteraceae Family

Pluchea indica Less. is a medicine and food dual-use plant, which belongs to the Pluchea genus, Asteraceae family. Its main constituents are quinic acids, flavonoids, thiophenes, phenolic acids, as well as sesquiterpenes. In order to provide a comprehensive chemical profiling of P. indica, an orthogonal chromatography combining reverse-phase chromatography BEHC18 column with a normal-phase chromatography silica column as the separation system and a ESI-Q-Orbitrap MS as the detector in both positive and negative ion modes were used. According to the retention time (tR) and the exact mass-to-charge ratio (m/z), 67 compounds were unambiguously identified by comparing to the standard references. Moreover, 47 compounds were tentatively speculated on the basis of the rules of MS/MS fragmentation pattern and chromatographic elution order generalized from the above-mentioned reference standards. Among them, 10 of them were potentially novel.

scholarly journals Phytochemistry and Comprehensive Chemical Profiling Study of Flavonoids and Phenolic Acids in the Aerial Parts of Allium Mongolicum Regel and Their Intestinal Motility Evaluation

Molecules ◽  
2020 ◽  
Vol 25 (3) ◽  
pp. 577 ◽  
Author(s):  
Yongzhe Dong ◽  
Jingya Ruan ◽  
Zhijuan Ding ◽  
Wei Zhao ◽  
Mimi Hao ◽  
...  
Keyword(s):  
Phenolic Acids ◽  
Phenolic Acid ◽  
Charge Ratio ◽  
Flavonoid Glycosides ◽  
Fragmentation Pattern ◽  
Bioactive Constituents ◽  
Exact Mass ◽  
Fast Analysis ◽  
Spectrophotometric Methods ◽  
Aerial Parts

To clarify whether flavonoids and phenols in Allium mongolicum Regel have the effect of improving gastrointestinal function and analyze its quality, this study was designed to isolate and identify them from the aerial parts of A. mongolicum by using various chromatographic and spectrophotometric methods, a bioassay on motility of mouse isolated intestine tissue, as well as qualitative analysis using liquid chromatography/mass spectrometry (LC-MS) analysis. As a result, 31 flavonoids and phenolic acids were obtained and identified, including six new flavonoid glycosides, mongoflavonosides A1 (1), A2 (2), A3 (3), A4 (4), B1 (5), B2 (6), and four new phenolic acid glycosides, mongophenosides A1 (7), A2 (8), A3 (9), B (10). Among them, eleven flavonoids and three phenolic acids showed significant increase in the height of mouse small intestinal muscle. It was a first systematic bioactive constituents’ study for A. mongolicum on gastrointestinal tract. Furthermore, according to the retention time (tR) and the exact mass-to-charge ratio (m/z), thirty-one compounds were unambiguously identified by comparing to the standard references by using LC-MS. Then, on the basis of generalized rules of MS/MS fragmentation pattern, chromatographic behaviors, as well as biosynthetic laws of the 31 isolates, five flavonoid glycosides and one phenolic acid glycoside were tentatively speculated. On the basis of the study, a fast analysis method for flavonoids and phenolic acids in A. mongolicum was established.

scholarly journals Antioxidant Potential of Herbal Preparations and Components from Galactites elegans (All.) Nyman ex Soldano

2018 ◽  
Vol 2018 ◽  
pp. 1-7 ◽  
Author(s):  
Omar Tebboub ◽  
Roberta Cotugno ◽  
Feyza Oke-Altuntas ◽  
Mohamed Bouheroum ◽  
Íbrahim Demirtas ◽  
...  
Keyword(s):  
2D Nmr ◽  
Jurkat Cells ◽  
Antioxidant Potential ◽  
Mass Spectrometry Analysis ◽  
2D Nmr Spectroscopy ◽  
Spectrometry Analysis ◽  
Aerial Parts ◽  
Pure Compounds ◽  
Asteraceae Family

Galactites is a genus of flowering plants belonging to Asteraceae family. This genus is mainly represented by the Galactites elegans (All.) Nyman ex Soldano, the milky thistle, a plant of Mediterranean origin. Galactites elegans is consumed as a monofloral boar thistle honey. Chromatography separation of CHCl3 and n-BuOH extracts of aerial parts of G. elegans led to isolation of 18 pure compounds. Their structures were elucidated by 1D-and 2D-NMR spectroscopy and confirmed by mass spectrometry analysis. Sinapic aldehyde, abietin, chlorogenic acid, neochlorogenic acid, 8α-hydroxypinoresinol, 9α-hydroxypinoresinol, pinoresinol, 4-ketopinoresinol, nortrachelogenin, and erythro-guaiacylglycerol-β-O-4′-dihydroconiferyl alcohol were isolated from CHCl3 extract, while luteolin 4′-O-glucuronide, naringenin-7-O-neohesperidoside, kaempferol-3-O-α-L-rhamnopyranosyl-(1→6)-β-D-glucopyranoside, apigenin-7-O-α-L-rhamnopyranosyl-(1→6)-β-D-glucopyranoside, quercitrin, quercetin-3-O-α-L-rhamnopyranosyl-(1→6)-β-D-glucopyranoside, ciwujiatone, and nortrachelogenin-4,4′-di-O-β-D-glucopyranoside were obtained from n-BuOH extract. The majority of isolated compounds displayed a significant antioxidant potential in vitro test (DPPH). The ability of compounds to reduce the level of peroxides in control and BHP-treated Jurkat cells was studied. The lignan derivatives were also able to reduce at 50 μM the basal level of peroxides in Jurkat cells as well as counteract peroxide increase induced by BHP treatment. Particularly 8α-hydroxypinoresinol was the most active showing 70% of peroxide level inhibition.

scholarly journals Phytochemicals of Minthostachys diffusa Epling and Their Health-Promoting Bioactivities

Foods ◽  
2020 ◽  
Vol 9 (2) ◽  
pp. 144
Author(s):  
Immacolata Faraone ◽  
Daniela Russo ◽  
Lucia Chiummiento ◽  
Eloy Fernandez ◽  
Alka Choudhary ◽  
...  
Keyword(s):  
Ethyl Acetate ◽  
Radical Scavenging ◽  
Ethyl Acetate Fraction ◽  
Mass Spectrometry Analysis ◽  
Antioxidant Power ◽  
Spectrometry Analysis ◽  
In Silico Docking ◽  
Aerial Parts ◽  
Health Promoting

The genus Minthostachys belonging to the Lamiaceae family, and is an important South American mint genus used commonly in folk medicine as an aroma in cooking. The phytochemical-rich samples of the aerial parts of Minthostachys diffusa Epling. were tested for pharmacological and health-promoting bioactivities using in vitro chemical and enzymatic assays. A range of radical scavenging activities of the samples against biological radicals such as nitric oxide and superoxide anion and against synthetic 2,2-diphenyl-1-picrylhydrazyl and 2,2′-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) radicals, the ferric reducing antioxidant power and the lipid peroxidation inhibition were determined and ranked using the ‘relative antioxidant capacity index’ (RACI). The ethyl acetate fraction showed the highest RACI of +1.12. Analysis of the various fractions’ inhibitory ability against enzymes involved in diabetes (α-amylase and α-glucosidase), and against enzymes associated with Parkinson’s or Alzheimer’s diseases (acetylcholinesterase and butyrylcholinesterase) also suggested that the ethyl acetate fraction was the most active. Liquid chromatography–tandem mass spectrometry analysis of the ethyl acetate fraction showed more than 30 polyphenolic compounds, including triterpenes. The inhibitory cholinesterase effects of the triterpenes identified from M. diffusa were further analysed by in silico docking of these compounds into 3D-structures of acetylcholinesterase and butyrylcholinesterase. This is the first study on pharmacological activities and phytochemical profiling of the aerial parts of M. diffusa, showing that this plant, normally used as food in South America, is also rich in health-promoting phytochemicals.

scholarly journals Identification and Structural Analysis of Spirostanol Saponin from Yucca schidigera by Integrating Silica Gel Column Chromatography and Liquid Chromatography/Mass Spectrometry Analysis

Molecules ◽  
2020 ◽  
Vol 25 (17) ◽  
pp. 3848
Author(s):  
Jingya Ruan ◽  
Lu Qu ◽  
Wei Zhao ◽  
Chang Gao ◽  
Peijian Huang ◽  
...  
Keyword(s):  
Liquid Chromatography ◽  
Reversed Phase ◽  
Feed Additives ◽  
Mass Spectrometry Analysis ◽  
Chromatographic Retention ◽  
Chromatography Method ◽  
Spectrometry Analysis ◽  
Chemical Profiling ◽  
Yucca Schidigera ◽  
Spirostanol Saponins

Yucca schidigera Roezl (Mojave), a kind of ornamental plant belonging to the Yucca genus (Agavaceae), whose extract exhibits important roles in food, beverage, cosmetic and feed additives owing to its rich spirostanol saponins. To provide a comprehensive chemical profiling of the spirostanol saponins in it, this study was performed by using a multi-phase liquid chromatography method combining a reversed phase chromatography T3 column with a normal phase chromatography silica column for the separation and an ESI-Q-Exactive-Orbitrap MS in positive ion mode as the detector. By comparing the retention time and ion fragments with standards, thirty-one spirostanol saponins were identified. In addition, according to the summary of the chromatographic retention behaviors and the MS/MS cleavage patterns and biosynthetic pathway, another seventy-nine spirostanol saponins were speculatively identified, forty ones of which were potentially new ones. Moreover, ten novel spirostanol saponins (three pairs of (25R/S)-spirostanol saponin isomer mixtures) were targeted for isolation to verify the speculation. Then, the comprehensive chemical profiling of spirostanol saponins from Y. schidigera was reported here firstly.

Letter: High-Performance Liquid Chromatography/Electrospray Mass Spectrometry Analysis of the Mycotoxin Aurofusarin

2008 ◽  
Vol 14 (5) ◽  
pp. 329-333 ◽  
Author(s):  
Torsten Neuhof ◽  
Robert Köppen ◽  
Matthias Koch ◽  
Irene Nehls
Keyword(s):  
Mass Spectrometry ◽  
High Performance Liquid Chromatography ◽  
Liquid Chromatography ◽  
High Performance ◽  
Multiple Reaction Monitoring ◽  
Food Samples ◽  
Mass Spectrometry Analysis ◽  
Tandem Mass ◽  
Fragmentation Pattern ◽  
Spectrometry Analysis

High-performance liquid chromatography-tandem mass spectrometry (HPLC-MS/MS) can be used for simultaneous quantification of various mycotoxins in contaminated food samples. Therefore, multi-mycotoxin methods have been developed in the last couple of years. To enlarge these methods for further analytes, we have developed a LC-MS/MS method for the quantification of the mycotoxin aurofusarin. Additionally, further LC-MS n experiments were performed to demonstrate the fragmentation pattern of aurofusarin. Applicable multiple reaction monitoring (MRM) transitions of aurofusarin were found and optimized by parameter variation of the tandem mass spectrometer. The applicability of the developed method was tested by analysis of naturally contaminated wheat.

scholarly journals MRMPath and MRMutation, Facilitating Discovery of Mass Transitions for Proteotypic Peptides in Biological Pathways Using a Bioinformatics Approach

2013 ◽  
Vol 2013 ◽  
pp. 1-10 ◽  
Author(s):  
Chiquito Crasto ◽  
Chandrahas Narne ◽  
Mikako Kawai ◽  
Landon Wilson ◽  
Stephen Barnes
Keyword(s):  
Mass Spectrometry ◽  
Biological Pathways ◽  
Charge Ratio ◽  
Mass Spectrometry Analysis ◽  
Web Based ◽  
Spectrometry Analysis ◽  
Uniprotkb Database ◽  
Bioinformatics Software ◽  
Product Ions ◽  
Available Information

Quantitative proteomics applications in mass spectrometry depend on the knowledge of the mass-to-charge ratio (m/z) values of proteotypic peptides for the proteins under study and their product ions. MRMPath and MRMutation, web-based bioinformatics software that are platform independent, facilitate the recovery of this information by biologists. MRMPath utilizes publicly available information related to biological pathways in the Kyoto Encyclopedia of Genes and Genomes (KEGG) database. All the proteins involved in pathways of interest are recovered and processed in silico to extract information relevant to quantitative mass spectrometry analysis. Peptides may also be subjected to automated BLAST analysis to determine whether they are proteotypic. MRMutation catalogs and makes available, following processing, known (mutant) variants of proteins from the current UniProtKB database. All these results, available via the web from well-maintained, public databases, are written to an Excel spreadsheet, which the user can download and save. MRMPath and MRMutation can be freely accessed. As a system that seeks to allow two or more resources to interoperate, MRMPath represents an advance in bioinformatics tool development. As a practical matter, the MRMPath automated approach represents significant time savings to researchers.

scholarly journals Chemical Profiling, Antioxidant, Anticholinesterase, and Antiprotozoal Potentials of Artemisia copa Phil. (Asteraceae)

2020 ◽  
Vol 11 ◽  
Author(s):  
María José Larrazábal-Fuentes ◽  
Carlos Fernández-Galleguillos ◽  
Jenifer Palma-Ramírez ◽  
Javier Romero-Parra ◽  
Kevin Sepúlveda ◽  
...  
Keyword(s):  
Native Species ◽  
Total Flavonoid ◽  
Mass Spectrometry Analysis ◽  
Cholinesterase Inhibition ◽  
Total Phenolic ◽  
Protective Effects ◽  
Total Flavonoid Content ◽  
Flavonoid Content ◽  
Spectrometry Analysis ◽  
Chemical Profiling

Artemisia copa Phil. (Asteraceae) (known as copa-copa) is a native species of Chile used as an infusion in traditional medicine by Atacameños people in the Altiplano, highlands of northern Chile. In this research, we have investigated for the first time the cholinesterase inhibition potential against acetylcholinesterase (AChE) and butyrylcholinesterase (BChE), and the chemical profiling of the infusions prepared from the aerial parts of A. copa by high resolution spectrometry. In addition, total phenolic, total flavonoid content, antioxidant (DPPH, FRAP, and ORAC) and antiprozoal activity were tested. Artemisia copa showed good inhibitory activity against AChE and BChE (3.92 ± 0.08 µg/ml and 44.13 ± 0.10 µg/ml). The infusion displayed a total phenolics content of 155.6 ± 2.9 mg of gallic acid equivalents/g and total flavonoid content of 5.5 ± 0.2 mg quercetin equivalents/g. Additionally, trypanocidal activity against Trypanosoma cruzi was found (LD50 of 131.8 µg/ml). Forty-seven metabolites were detected in the infusion of A. copa including several phenolic acids and flavonoids which were rapidly identified using ultrahigh performance liquid chromatography orbitrap mass spectrometry analysis (UHPLC-Orbitrap-MS) for chemical profiling. The major compounds identified in the infusions were studied by molecular docking against AChE and BChE. The UHPLC-MS fingerprints generated can be also used for the authentication of these endemic species. These findings reveal that A. copa infusions can be used as beverages with protective effects.

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