Results 31 to 40 of about 936,931 (309)

The stability and degradation kinetics of acetylsalicylic acid in different organic solutions revisited – an UHPLC–ESI-QTOF spectrometry study

open access: yesCurrent Issues in Pharmacy and Medical Sciences, 2016
Ultra high performance liquid chromatography (UHPLC), coupled with accurate quadrupole-time-of-flight (Q-TOF) mass spectrometry, was used for the stability study of acetylsalicylic acid within a variety of different organic solutions: methanol, ethanol ...
Skibinski Robert, Komsta Lukasz
doaj   +1 more source

Analysis of coffee bean extracts by use of ultra-performance liquid chromatography coupled to quadrupole time-of-flight mass spectrometry

open access: yesMethodsX, 2014
The number of flavour chemicals identified in coffee has reached over 1000 [1,2]. Coffee is one of the world's most popular beverages [3], highly studied for its health-related properties [4–6]. Studies on coffee associated with human health have focused
Daniel James O’Driscoll
doaj   +1 more source

Rapid identification of direct-acting pancreatic protectants from Cyclocarya paliurus leaves tea by the method of serum pharmacochemistry combined with target cell extraction

open access: yesOpen Chemistry, 2020
Extracts of Cyclocarya paliurus (CP) leaves, a popular sweet tea, inhibit pancreatic β cell apoptosis and have potent hypoglycemic effects, but the identities of the anti-apoptotic bioactive components are still unknown.
Chen Wei-hong   +8 more
doaj   +1 more source

Data_Sheet_2_Metabolomics Study of Different Germplasm Resources for Three Polygonatum Species Using UPLC-Q-TOF-MS/MS.ZIP

open access: yes, 2022
Rhizomes of the Polygonatum species are well-known in traditional Chinese medicine. The 2020 edition of Chinese Pharmacopoeia includes three different species that possess different pharmacological effects.
Xiao dong Li (12228725)   +7 more
core   +1 more source

Table_1_Metabolomics Study of Different Germplasm Resources for Three Polygonatum Species Using UPLC-Q-TOF-MS/MS.XLS

open access: yes, 2022
Rhizomes of the Polygonatum species are well-known in traditional Chinese medicine. The 2020 edition of Chinese Pharmacopoeia includes three different species that possess different pharmacological effects.
Xiao dong Li (12228725)   +7 more
core   +1 more source

Characterization and Optimization of the Tyrosinase Inhibitory Activity of Vitis amurensis Root Using LC-Q-TOF-MS Coupled with a Bioassay and Response Surface Methodology

open access: yesMolecules, 2021
Vitis amurensis roots have been reported to have the potential for skin whitening through the evaluation of melanogenesis and tyrosinase inhibitory activities. In this study, V.
Kyung-Eon Oh   +4 more
doaj   +1 more source

Data_Sheet_1_Metabolomics Study of Different Germplasm Resources for Three Polygonatum Species Using UPLC-Q-TOF-MS/MS.ZIP

open access: yes, 2022
Rhizomes of the Polygonatum species are well-known in traditional Chinese medicine. The 2020 edition of Chinese Pharmacopoeia includes three different species that possess different pharmacological effects.
Xiao dong Li (12228725)   +7 more
core   +1 more source

Simultaneous determination of five azadirachtins in the seed and leaf extracts of Azadirachta indica by automated online solid-phase extraction coupled with LC–Q-TOF–MS

open access: yesChemistry Central Journal, 2018
Neem (Azadirachta indica) extract is well-known as a natural pesticide for the control of agricultural pests. Azadirachtin A and its structural analogues are considered as active compounds.
Li Song   +8 more
doaj   +1 more source

UPLC-Q-TOF-MS characterization data from Functional characterization of three flavonoid glycosyltransferases from Andrographis paniculata

open access: yes, 2019
UPLC-Q-TOF-MS characterization data of the three glycosyltransferases catalyzing 14 ...
Zhen-Hua Zhao (2220529)   +8 more
core   +1 more source

Table. 1: Metabolites Identified in FBR 1741 by UHPLC-Q-TOF-MS2. RT- Retention time.

open access: yes, 2023
There is a substantial rise in the global incidence of obesity. Brown rice contains metabolic substances that can help minimize the prevalence of obesity.
Kaliyan Barathikannan (17539740)   +8 more
core   +1 more source

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