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Showing 1-30 of 41 results for "151947" within Papers
Wenguang Wang et al.
Journal of chromatography. A, 1412, 100-111 (2015-08-25)
In order to solve the bottleneck of reference standards shortage for comprehensive quality control of traditional Chinese medicines (TCMs), a series of strategies, including one single reference standard to determine multi-compounds (SSDMC), quantitative analysis by standardized reference extract (QASRE), and
Ramesh Prasad Pandey et al.
Applied and environmental microbiology, 80(23), 7235-7243 (2014-09-23)
A UDP glucosyltransferase from Bacillus licheniformis was overexpressed, purified, and incubated with nucleotide diphosphate (NDP) d- and l-sugars to produce glucose, galactose, 2-deoxyglucose, viosamine, rhamnose, and fucose sugar-conjugated resveratrol glycosides. Significantly higher (90%) bioconversion of resveratrol was achieved with α-d-glucose
Seong-Hoon Kim et al.
The Journal of pharmacology and experimental therapeutics, 352(1), 175-184 (2014-11-06)
To date, many anticancer drugs have been developed by directly or indirectly targeting microtubules, which are involved in cell division. Although this approach has yielded many anticancer drugs, these drugs produce undesirable side effects. An alternative strategy is needed, and
Yueqiu Liu et al.
Journal of ethnopharmacology, 155(2), 1276-1283 (2014-07-22)
Bacterial infection is one of the main secondary infections caused by snakebite. The 88 plant species investigated in this study have been used as folk remedies for treatment of snakebite, and it is therefore the aim of this study to
Nicholas Fowler et al.
Toxicon : official journal of the International Society on Toxinology, 101, 85-91 (2015-05-20)
One of the most widely studied organisms responsible for Harmful Algal Blooms (HABs) is the marine dinoflagellate Karenia brevis. This organism produces neurotoxic compounds known as brevetoxins. A related dinoflagellate, Karenia papilionacea, has been reported to occasionally co-bloom with K.
Zeyun Li et al.
Fitoterapia, 100, 187-194 (2014-12-17)
This paper utilized a quantitative (1)H nuclear magnetic resonance (qHNMR) method for assessing the purity of iridoids and secoiridoids. The method was fully validated, including specificity, linearity, accuracy, precision, reproducibility, and robustness. For optimization of experimental conditions, several experimental parameters
Naoyuki Nakada et al.
Xenobiotica; the fate of foreign compounds in biological systems, 45(9), 757-765 (2015-04-15)
1. Here, we elucidated the structure of metabolites of novel oral Janus kinase inhibitor ASP015K in rats and humans and evaluated the predictability of human metabolites using chimeric mice with humanized liver (PXB mice). 2. Rat biological samples collected after oral dosing
Simple and Hydrolyzable Compounds in Virgin Olive Oil. 3.
Spectroscopic Characterizations of the Secoiridoid Derivatives
Spectroscopic Characterizations of the Secoiridoid Derivatives
Montedoro G, et al.
Journal of Agricultural and Food Chemistry, 41, 2228-2234 (1993)
Silke S Heinzmann et al.
Journal of proteome research, 14(5), 2267-2277 (2015-03-20)
Despite the gut's longitudinal specialization for digestion and microbiome organization, most studies focus on the analysis of its end product, feces. To determine the metabolic and physiological functions of different sections of the gut, we aimed to define a comprehensive
Iwona Kowalska et al.
Journal of agricultural and food chemistry, 62(46), 11200-11208 (2014-10-31)
Fourteen phenolic compounds (flavonoids and phenolic acids) were isolated and 19 were identified in the aerial parts of Triticum aestivum L. The structures of these compounds were established on the basis of the data obtained by electrospray ionization-mass spectrometry (ESI-MS)
Joonki Kim et al.
Journal of agricultural and food chemistry, 63(31), 6979-6988 (2015-07-29)
We found that an extract of Lycoris chejuensis and its three isolated active components, narciclasine, 7-deoxynarciclasine, and 7-deoxy-trans-dihydronarciclasine, each significantly reduced the formation of amyloid-β peptides in HeLa cells transfected with an amyloid precursor protein carrying the Swedish mutation up
Alexis Lavaud et al.
Phytochemistry, 109, 103-110 (2014-12-04)
Ten tocotrienol derivatives, i.e., amplexichromanols (1-10), were isolated from stem bark of Garcinia amplexicaulis Vieill. ex Pierre collected in Caledonia. The structures of the compounds 1-5 were determined to be chromanol derivatives substituted by a polyprenyl chain oxidized in terminal
Yunpeng Bai et al.
Journal of agricultural and food chemistry, 62(47), 11536-11546 (2014-11-06)
This study determined the fate of deoxyanthocyanidins in sorghum sourdoughs. Sourdoughs prepared from the red sorghum variety Town were fermented with the caffeic acid-decarboxylating strains Lactobacillus plantarum FUA3171 and the decarboxylase negative L. casei FUA3166. Deoxyanthocyanidins were analyzed by liquid
Eric M Rosenberg et al.
Cell chemical biology, 26(5), 662-673 (2019-03-05)
The G protein-coupled receptor (GPCR) CXCR4 is a co-receptor for HIV and is involved in cancers and autoimmune diseases. We characterized five purine or quinazoline core polyamine pharmacophores used for targeting CXCR4 dysregulation in diseases. All were neutral antagonists for
Shufang Wang et al.
Journal of pharmaceutical and biomedical analysis, 117, 255-265 (2015-09-24)
There have been increasing works on identification of the chemical constituents in traditional Chinese medicines (TCMs) by liquid chromatography-mass spectrometry (LC-MS). However, isomers cannot be distinguished generally only by MS data, and the structures of unknown compounds cannot be confirmed.
Ana Margarida Araújo et al.
Archives of toxicology, 89(5), 757-771 (2014-06-07)
The world's status quo on recreational drugs has dramatically changed in recent years due to the rapid emergence of new psychoactive substances (NPS), represented by new narcotic or psychotropic drugs, in pure form or in preparation, which are not controlled
Toshikazu Yamaoka et al.
Journal of pharmacological and toxicological methods, 76, 83-95 (2015-09-01)
Glutathione (GSH) trapping assays are widely used to predict the post-marketing risk for idiosyncratic drug reactions (IDRs) in the pharmaceutical industry. Although several GSH derivatives have been introduced as trapping reagents for reactive intermediates, more sensitive and selective reagents are
Mechanisms of ferulic acid conversions to vanillic acid and guaiacol by Rhodotorula rubra
Huang Z, et al.
The Journal of Biological Chemistry, 268(32), 23954-23958 (1993)
Akiko Takagaki et al.
Biological & pharmaceutical bulletin, 38(2), 325-330 (2015-03-10)
Four isoflavone-metabolizing bacteria were tested for their abilities to degrade (-)-epigallocatechin (EGC) and its isomer (-)-gallocatechin (GC). Biotransformation of both EGC and GC was observed with Adlercreutzia equolifaciens JCM 14793, Asaccharobacter celatus JCM 14811, and Slackia equolifaciens JCM 16059, but
Akiko Takagaki et al.
Archives of microbiology, 196(10), 681-695 (2014-06-21)
Two intestinal bacterial strains MT4s-5 and MT42 involved in the degradation of (-)-epigallocatechin (EGC) were isolated from rat feces. Strain MT4s-5 was tentatively identified as Adlercreutzia equolifaciens. This strain converted EGC into not only 1-(3, 4, 5-trihydroxyphenyl)-3-(2, 4, 6-trihydroxyphenyl)propan-2-ol (1)
Eun Ju Choi et al.
Chemistry & biology, 22(9), 1270-1279 (2015-08-25)
Low-nutrient media and long incubation times facilitated the cultivation of 20 taxonomically diverse Gram-negative marine bacteria within the phyla Bacteroidetes and Proteobacteria. These strains comprise as many as three new families and include members of clades that had only been
Prakash Parajuli et al.
AMB Express, 4, 31-31 (2014-06-21)
Epothilones are extremely cytotoxic chemotherapeutic agents with epoxide, thiazole, and ketone groups that share equipotent kinetic similarity with taxol. The in vitro glycosylation catalyzed by uridine diphosphate glucosyltransferase (YjiC) from Bacillus licheniformis generated six novel epothilone A glycoside analouges including
Jinping Jia et al.
Molecules (Basel, Switzerland), 20(6), 10065-10081 (2015-06-04)
Forsythiae Fructus (FF), the dried fruit of Forsythia suspensa, has been widely used as a heat-clearing and detoxifying herbal medicine in China. Green FF (GF) and ripe FF (RF) are fruits of Forsythia suspensa at different maturity stages collected about
Noemí Alarcos et al.
Physical chemistry chemical physics : PCCP, 17(25), 16257-16269 (2015-04-15)
We report on the steady-state, picosecond and femtosecond time-resolved studies of a charge and proton transfer dye 6-amino-2-(2'-hydroxyphenyl)benzoxazole (6A-HBO) and its methylated derivative 6-amino-2-(2'-methoxyphenyl)benzoxazole (6A-MBO), in different solvents. With femtosecond resolution and comparison with the photobehaviour of 6A-MBO, we demonstrate
Elise Ivarsen et al.
Journal of AOAC International, 97(5), 1282-1290 (2015-04-24)
Clostridium perfringens is the causative agent of necrotic enteritis leading to significant losses in the poultry industry. Dichloromethane and n-hexane extracts of aerial parts of Artemisia annua (Asteraceae) exhibited activity against C. perfringens with minimum inhibitory concentrations (MIC) of 185
Thuy Nguyen et al.
Bioorganic & medicinal chemistry, 23(9), 2195-2203 (2015-03-24)
A series of substituted 1H-indole-2-carboxamides structurally related to compounds Org27569 (1), Org29647 (2) and Org27759 (3) were synthesized and evaluated for CB1 allosteric modulating activity in calcium mobilization assays. Structure-activity relationship studies showed that the modulation potency of this series
Shogo Mori et al.
Marine drugs, 13(10), 6274-6290 (2015-10-17)
A new bioactive macrolactone, nuiapolide (1) was identified from a marine cyanobacterium collected off the coast of Niihau, near Lehua Rock. The natural product exhibits anti-chemotactic activity at concentrations as low as 1.3 μM against Jurkat cells, cancerous T lymphocytes
Ugo Bussy et al.
Environmental science & technology, 49(7), 4450-4457 (2015-03-03)
This is the first study to use electrochemistry to generate a nitro reduction metabolite as a standard for a liquid chromatography-mass spectrometry-based quantitative assay. This approach is further used to quantify 3-trifluoromethyl-4-nitrophenol (TFM) reductive metabolism. TFM is a widely used
Xijuan Chen et al.
The Science of the total environment, 505, 39-46 (2014-10-13)
Aerobic degradation experiments of Triclosan were performed in activated sludge to identify possible transformation products for this compound. During 7 days, the formation of biotransformation products such as 2,4-Dichlorophenol, 4-Chlorocatechol, 5-Hydroxy-Triclosan and other Monohydroxy-Triclosan derivatives as well as Dihydroxy-Triclosan-derivatives were
Shouqiang Ouyang et al.
G3 (Bethesda, Md.), 5(9), 1899-1908 (2015-07-22)
The filamentous fungus Neurospora crassa is a long-studied eukaryotic microbial system amenable to heterologous expression of native and foreign proteins. However, relatively few highly tunable promoters have been developed for this species. In this study, we compare the tcu-1 and
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