نتایج جستجو برای: esculetin
تعداد نتایج: 200 فیلتر نتایج به سال:
The dominant onion bulb glutathione S-transferases (GSTs) (named as GSTc, GSTd and GSTe) were separated by DEAE cellulose column chromatography, and the inhibitory interactions of glutathione (GSH) derivatives (S-methyl GSH, S-propyl GSH, S-butyl GSH, and S-hexyl GSH), four coumarins (coumarin, 7-hydroxy coumarin, esculetin and scopoletin) were tested with theses GSTs. The activities of GSTs we...
The phenolic compounds in dandelion were extracted using different ethanol percentage solutions, identified with HPLC-MS, and their scavenging capabilities of DPPH, ABTS OH radicals determined. Then the excitation-emission matrix fluorescence spectroscopy coupled parallel factor analysis (PARAFAC) was conveyed to analyze relationship between phenolics, components scores PARAFAC model antioxidan...
The ability to adapt to adverse environmental conditions encountered in food and during host infection is a sine qua non for a successful Listeria monocytogenes infection. This ability is likely to depend on complex regulatory pathways controlled by a number of key regulators. We utilized the pORI19 plasmid integration system to analyze the role of six putative regulatory loci in growth under s...
In 1936 Szent-Gybrgyi and coworkers (1) described the isolation of a material which was capable of increasing capillary resistance in man, and which they called citrin or vitamin P. Subsequent work has shown that many substances have this property, and vitamin P activity has been attributed variously to flavones, flavanones, and flavonols. Higby (2) found that crude hesperidin possessed vitamin...
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