Results 41 to 50 of about 7,126 (200)

Chlorogenic Acids Profile of Coffee arabica By-Products (Cascara and Silverskin): A Comparison with Green and Roasted Beans

Biology and Life Sciences Forum, 2022
Coffee, one of the most traded commodities in the world, contains compounds with health-promoting properties [...]
Marlene Machado, Susana Machado, Helena Ferreira, Maria Beatriz P. P. Oliveira, Rita C. Alves   +4 more
doaj   +1 more source

Identification and Quantification of Flavonoids and Phenolic Acids in Burr Parsley (Caucalis platycarpos L.), Using High-Performance Liquid Chromatography with Diode Array Detection and Electrospray Ionization Mass Spectrometry

Molecules, 2009
A sensitive method coupling high-performance liquid chromatography (HPLC) with diode-array detector (DAD) and electrospray ionization mass spectrometry (MS) was optimized for the separation and identification of phenolic acids, flavonoid glycosides and ...
Ana Mornar, Nikola Kujundžić, Biljana Nigović, Franz Bucar, Željan Maleš, Ana Plazonić   +5 more
doaj   +1 more source

Antimicrobial and Efflux Pump Inhibitory Activity of Caffeoylquinic Acids from Artemisia absinthium against Gram-Positive Pathogenic Bacteria [PDF]

, 2010
Background: Traditional antibiotics are increasingly suffering from the emergence of multidrug resistance amongst pathogenic bacteria leading to a range of novel approaches to control microbial infections being investigated as potential alternative ...
Han Haley, Jacques Vervoort, Alexandre M. J. J. Bonvin, George P Tegos, Lewis Kim, Panagiotis L. Kastritis, Vervoort, J., NMR Spectroscopy, Michael R. Hamblin, Kastritis, P., Vervoort Jacques, Exarchou, Vassiliki, Vervoort, Jacques, Bonvin, A.M., Kastritis Panagiotis L., Hamblin, Michael, Tegos, George, Tegos, George P., Lewis, K., Kim Lewis, George P. Tegos, Bonvin, Alexandre M. J. J., Panagiotis L Kastritis, Bonvin Alexandre M. J. J., Sub NMR Spectroscopy, Han, H., Tegos, G.P., Alexandre M J J Bonvin, Fiamegos Yiannis C., Fiamegos, Y.C., Yiannis C Fiamegos, Kastritis, P.L., Hamblin, Michael R., Exarchou Vassiliki, Lewis, Kim, Exarchou, V., Han, Haley, Hamblin Michael R., Tegos George P., Michael R Hamblin, Fiamegos, Yiannis C., Haley Han, Yiannis C. Fiamegos, Kastritis, Panagiotis L., Vassiliki Exarchou, Bonvin, A.M.J.J., Hamblin, M.R., Vervoort, J.J.M.   +47 more
core   +1 more source

Visualizing the Spatial Distribution of Arctium lappa L. Root Components by MALDI-TOF Mass Spectrometry Imaging

Foods, 2022
This study is aimed at developing novel analytical methods to accurately visualize the spatial distribution of various endogenous components in Arctium lappa L. (A.
Lingyu Li, Zhichang Qiu, Mingdi Jiang, Bin Zhang, Qiang Chen, Chaojie Zhang, Zhenjia Zheng, Xuguang Qiao   +7 more
doaj   +1 more source

Chemical Investigation of Shoots

Natural Product Communications, 2013
Phytochemical study of flowering shoots of Caragana arborescens Lam. (Fabaceae family) collected in Buryatia Republic (Russian Federation) resulted in the isolation of twenty compounds identified as quercetin, isoquercitrin and rutin, previously ...
Daniil N. Olennikov, Larisa M. Tankhaeva, Vyacheslav V. Partilkhaev   +2 more
doaj   +1 more source

Caffeoylquinic Acids and Flavonoids of Fringed Sagewort (Artemisia frigida Willd.): HPLC-DAD-ESI-QQQ-MS Profile, HPLC-DAD Quantification, in Vitro Digestion Stability, and Antioxidant Capacity. [PDF]

Antioxidants (Basel), 2019
Fringed sagewort (Artemisia frigida Willd., Compositae family) is a well-known medicinal plant in Asian medical systems. Fifty-nine hydroxycinnamates and flavonoids have been found in A.
Olennikov DN, Kashchenko NI, Chirikova NK, Vasil'eva AG, Gadimli AI, Isaev JI, Vennos C.   +6 more
europepmc   +2 more sources

Inhibition of HIV Infection by Caffeoylquinic Acid Derivatives

Antiviral Chemistry and Chemotherapy, 1993
The caffeoylquinic acids 3,4,5-tri-O-caffeoylquinic acid (1) and 4,5-di-O-caffeoylquinic acid (2), as well as caffeic acid (4) and synapoic acid (5) were isolated from the plant Securidaka longipedunculata (polygalaceae). 1 exhibited a greater selective inhibition of HIV replication than 2 which had an anti-HIV activity similar to that of 3,4,5-tri-O ...
N. Mahmood, P. S. Moore, N. De Tommasi, F. De Simone, S. Colman, A. J. Hay, C. Pizza   +6 more
openaire   +1 more source

Antinociceptive Effect of an Aqueous Extract and Essential Oil from Baccharis heterophylla

Plants, 2021
Infusions and poultices prepared from the aerial parts of Baccharis heterophylla Kunth (Asteraceae) are widely used in Oaxaca (Mexico) for relieving painful and inflammatory complaints. Therefore, the antinociceptive potential of an aqueous extract (31.6–
Erika Castillejos-Ramírez, Araceli Pérez-Vásquez, Rafael Torres-Colín, Andrés Navarrete, Adolfo Andrade-Cetto, Rachel Mata   +5 more
doaj   +1 more source

Exploration of Degradation Mechanism of Chlorogenic Acids in Stevia Based on UPLC-QTOF MS/MS

Zhipu Xuebao
Chlorogenic acids (caffeoylquinic acids, CQAs), as key bioactive components in numerous traditional herbal medicines, are highly acclaimed for their various biological activities and therapeutic benefits.
Juan-juan WU, Zi-xuan WANG, Yun-he LIAN, Li-juan HOU, Zhi-ping NIU, Wen-chang WANG, Di WU   +6 more
doaj   +1 more source

Simultaneous Quantification of Phenolic Compounds and Capsaicinoids in Chili Peppers Using Ultra‐High Performance Liquid Chromatography‐Tandem Mass Spectrometry

Food Safety and Health, EarlyView.
A UHPLC‐MS/MS method was developed to simultaneously quantify four capsaicinoids and 19 phenolic compounds, the key bioactive constituents in chili peppers. It exhibits high sensitivity, low matrix effects, excellent accuracy, and precision, enabling reliable detection in chili samples.
Shaoyun Wu, Xue Feng, Haixiao Ma, Yinfeng Zhao, Zhenying Sun, Meiling Zhang, Zehua Ke, Jing Qiu, Yongzhong Qian, Guiqiao Liu, Rui Weng   +10 more
wiley   +1 more source