Articles with "uhplc tof" as a keyword



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Study on the quality difference of Cyperus rotundus before and after Vinegar-processing based on UHPLC-Q-TOF-MS and molecular network combined with color parameters.

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Published in 2023 at "Journal of separation science"

DOI: 10.1002/jssc.202200990

Abstract: Cyperus rotundus is the dry rhizome of Cyperaceae plant Cyperus. Although there are two types of processed products in clinics, their quality differences are not clear, and the identification methods are more complex. In this… read more here.

Keywords: quality; cyperus rotundus; color; cyperus ... See more keywords
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Chemical profiling of Euphorbia fischeriana Steud. by UHPLC‐Q/TOF‐MS

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Published in 2018 at "Journal of Pharmaceutical and Biomedical Analysis"

DOI: 10.1016/j.jpba.2017.12.051

Abstract: Graphical abstract Figure. No caption available. HighlightsAn UHPLC‐Q/TOF‐MS method was applied to profile major constituents in E. fischeriana.The reasonable fragmentation mechanism of four jolkinolide components was depicted.A novel compound named jolkinomethylide was determined and elucidated… read more here.

Keywords: uhplc tof; chemical profiling; euphorbia fischeriana; fischeriana steud ... See more keywords
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Chemical components analysis and in vivo metabolite profiling of Jian'er Xiaoshi oral liquid by UHPLC-Q-TOF-MS/MS.

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Published in 2022 at "Journal of pharmaceutical and biomedical analysis"

DOI: 10.1016/j.jpba.2022.114629

Abstract: Jian'er Xiaoshi oral liquid (JEXS), a traditional Chinese medicine (TCM) prescription, has been principally applied to treat spleen deficiency with gastrointestinal dysfunction in children caused by improper diet. However, due to a lack of research… read more here.

Keywords: analysis; xiaoshi oral; oral liquid; liquid ... See more keywords
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A discovery-based metabolomic approach using UHPLC Q-TOF MS/MS unveils a plethora of prospective antihypertensive compounds in Korean fermented soybeans

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Published in 2021 at "Lwt - Food Science and Technology"

DOI: 10.1016/j.lwt.2020.110399

Abstract: Abstract Treating soybean with proteases and subsequent fermentation increases the release of bioactive compounds that may be strongly attached to the food matrix. In our quest to choose the best material to develop an antihypertensive… read more here.

Keywords: uhplc tof; discovery based; metabolomic approach; approach using ... See more keywords
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Study on Urine Metabolic Profile of Aβ25–35-Induced Alzheimer's Disease Using UHPLC-Q-TOF-MS

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Published in 2018 at "Neuroscience"

DOI: 10.1016/j.neuroscience.2018.10.001

Abstract: Alzheimer's disease (AD) is a progressive neurodegenerative disorder, with no effective method for its treatment so far. The pathogenesis of AD has been reported, but the endogenous metabolic profile and disease-related biomarkers are still not… read more here.

Keywords: uhplc tof; alzheimer disease; disease; metabolic profile ... See more keywords
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Predicting the antioxidant capacity and total phenolic content of bearberry leaves by data fusion of UV-Vis spectroscopy and UHPLC/Q-TOF-MS.

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Published in 2020 at "Talanta"

DOI: 10.1016/j.talanta.2020.120831

Abstract: The total phenolic content (TPC) and antioxidant capacity have been considered as important quality parameters for plant extracts. In this study, bearberry leaves were regarded as studied subject and a reliable method was established to… read more here.

Keywords: bearberry leaves; uhplc tof; antioxidant capacity; spectroscopy ... See more keywords
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Comprehensive chemical study on different organs of cultivated and wild Sarcandra glabra using ultra-high performance liquid chromatography time-of-flight mass spectrometry (UHPLC-TOF-MS).

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Published in 2021 at "Chinese journal of natural medicines"

DOI: 10.1016/s1875-5364(21)60038-9

Abstract: To illuminate the similarities and differences between wild and cultivated Sarcandra glabra (S. glabra), we performed a comprehensively study on 26 batches of cultivated S. glabra and 2 batches of wild S. glabra. Chemical constituents… read more here.

Keywords: glabra; uhplc tof; chemical; cultivated glabra ... See more keywords
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A new approach for authentication of four ginseng herbs and their related products based on the simultaneous quantification of 19 ginseng saponins by UHPLC-TOF/MS coupled with OPLS-DA

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Published in 2017 at "RSC Advances"

DOI: 10.1039/c7ra06812c

Abstract: White ginseng, red ginseng, notoginseng and American ginseng are commonly called ginseng herbs and are frequently used as traditional Chinese medicine (TCM) and dietary supplements in China. Although their functions are evidently different, the discrimination… read more here.

Keywords: four varieties; uhplc tof; ginseng; ginseng herbs ... See more keywords
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A novel strategy for the characterization of glaucocalyxin A metabolites in vivo and in vitro by UHPLC-Q-TOF-MS based on DDA and DIA data acquisitions

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Published in 2020 at "RSC Advances"

DOI: 10.1039/c9ra06830a

Abstract: Glaucocalyxin A (GLA) belongs to the natural ent-kauranoid diterpenoids family with antitumor, antifibrotic, anticoagulative, antioxidant, and anti-AD effects. In this study, ultra-high-performance liquid chromatography coupled to quadrupole time-of-flight mass spectrometry (UHPLC-Q-TOF-MS) system was applied to… read more here.

Keywords: dia; uhplc tof; glaucocalyxin; phase metabolites ... See more keywords
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Chemo Proling and Simultaneous Analysis of Different Combinations of Sinomenii Caulis and Ramulus Cinnamomi Using UHPLC-Q-TOF-MS, GC-MS and HPLC Methods.

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Published in 2021 at "Journal of chromatographic science"

DOI: 10.1093/chromsci/bmab048

Abstract: OBJECTIVE Sinomenii Caulis (QingFengTeng) and Ramulus Cinnamomi (GuiZhi) are traditional Chinese drugs that have been used for anti-inflammation. In this study, the team plans to find out the material basis of a Chinese herb combination… read more here.

Keywords: ramulus cinnamomi; sinomenii caulis; uhplc tof; tof ... See more keywords
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UHPLC-Q-TOF-MS/MS and Network Pharmacology Analysis to Reveal Quality Markers of Xinjiang Cydonia oblonga Mill. for Antiatherosclerosis

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Published in 2022 at "BioMed Research International"

DOI: 10.1155/2022/4176235

Abstract: Cydonia oblonga Mill. (COM), mature fruit of genus Rosaceae, is consumed as a kind of traditional Chinese medicinal herb. Previous studies have shown that the components in COM extract have antioxidant, anti-inflammatory, blood pressure-lowering, blood… read more here.

Keywords: quality; pharmacology; uhplc tof; network pharmacology ... See more keywords