CN
Search Within
320617
应用筛选条件
关键词:'320617'
显示 1-28 共 28 条结果 关于 "320617" 范围 论文
Gia-Sheu Lee et al.
Biotechnology letters, 28(8), 581-585 (2006-04-15)
Using Novozym 435 as catalyst, the syntheses of ethyl ferulate (EF) from ferulic acid (4-hydroxy 3-methoxy cinnamic acid) and ethanol, and octyl methoxycinnamate (OMC) from p-methoxycinnamic acid and 2-ethyl hexanol were successfully carried out in this study. A conversion of
Shangde Sun et al.
Biotechnology letters, 35(9), 1449-1454 (2013-05-22)
Glyceryl diferulate (DFG) is a water-soluble ester of ferulic acid. A novel ionic liquid (IL) system for enzymatic transesterification of ethyl ferulate (EF) with glycerol to produce DFG was developed. Of three ILs with different anions (BF4 (-), PF6 (-)
Katsumi Hashizume et al.
Bioscience, biotechnology, and biochemistry, 76(7), 1291-1295 (2012-07-13)
The taste-active hydrophobic compounds in a charcoal-untreated sake sample were subjected to a taste dilution analysis (TDA). All of the high-TDA factor fractions showed a bitter or astringent taste in common, but their taste characters were different. The taste-active compounds
T Nakayama et al.
Bioscience, biotechnology, and biochemistry, 60(2), 316-318 (1996-02-01)
Cytotoxicity and DNA single-strand breaks caused by H2O2 were assessed by a colony formation assay and a DNA precipitation assay, respectively, with Chinese hamster V79 cells. In both assays, caffeic acid ethyl ester showed protective effects. The structure-activity relationship showed
K J Rashamuse et al.
Journal of applied microbiology, 103(5), 1610-1620 (2007-10-24)
Isolation and identification of bacterial isolates with specific ferulic acid (FA) esterase activity and cloning of a gene encoding activity. A micro-organism with ethyl ferulate hydrolysing (EFH) activity was isolated by culture enrichment techniques. Detailed molecular identification based on species-specific
J Donaghy et al.
Applied microbiology and biotechnology, 50(2), 257-260 (1998-10-09)
The production of feruloyl esterase activity by Bacillus spp. and lactobacilli can be detected in an agarplate assay. The assay involves the substitution of the main carbon source in specific agar with ethyl ferulate. A number of Bacillus spp., predominantly
Yan Zheng et al.
Bioresource technology, 100(12), 2896-2901 (2009-03-04)
Feruloylated diacylglycerol (FDAG) was synthesized using a selective lipase-catalyzed the transesterification between ethyl ferulate and triolein. To optimize the reaction conversion and purity of FDAG, dual response surface was applied to determine the effects of five-level-five-factors and their reciprocal interactions
Liang Kong et al.
Analytical and bioanalytical chemistry, 386(2), 264-274 (2006-07-27)
A new screening and analysis method that combines in vitro metabolism with high-performance liquid chromatography-mass spectrometry (HPLC-MS) was developed for the screening and analysis of an antineoplastic compound, coniferyl ferulate, which is present in the rhizome of Rhizoma Chuanxiong. Infrared
Yun Feng et al.
Biochimica et biophysica acta, 1780(4), 659-672 (2008-01-31)
It is an important therapeutic strategy to protect mitochondria from oxidative stress, especially during ischemia-reperfusion. In the present study, an attempt has been made to evaluate the protective effects of caffeic acid phenethyl ester (CAPE) and its related phenolic compounds
Josh L Hixson et al.
Journal of agricultural and food chemistry, 60(9), 2293-2298 (2012-02-14)
A method for determining ethyl coumarate and ethyl ferulate in wine using GC-MS with deuterium-labeled analogues has been developed and used to measure the evolution of these two esters during the production of two commercial monovarietal red wines, cv. Grenache
Mirko Bunzel et al.
Journal of agricultural and food chemistry, 56(21), 10368-10375 (2008-10-10)
Valuable information about possible types of linkages, reaction mechanisms, and sequences for oxidative coupling of phenolic compounds in planta is available from in vitro model systems. Ferulate oligomers were generated in a system using ethyl ferulate, peroxidase, and hydrogen peroxide
Gururaj Joshi et al.
Neurochemistry international, 48(4), 318-327 (2006-01-03)
Ferulic acid ethyl ester (FAEE) is an ester derivative of ferulic acid, the latter known for its anti-inflammatory and antioxidant properties. Previous studies from our laboratory have shown that ferulic acid protects synaptosomal membrane system and neuronal cell culture systems
Giovanni Scapagnini et al.
Advances in experimental medicine and biology, 698, 27-35 (2010-01-01)
In recent years there has been a growing interest, supported by a large number of experimental and epidemiological studies, in the beneficial effects of some commonly used food-derived products in preventingvarious age-related pathologic conditions, ranging from cancer to neurodegenerative diseases.
Keima Abe et al.
Bioscience, biotechnology, and biochemistry, 81(10), 1855-1860 (2017-08-03)
Most Brassicaceae vegetables are ideal dietary sources of antioxidants beneficial for human health. Cardamine fauriei (Ezo-wasabi in Japanese) is a wild, edible Brassicaceae herb native to Hokkaido, Japan. To clarify the main antioxidative phytochemical, an 80% methanol extraction from the
Wioletta M Dynkowska et al.
Journal of the science of food and agriculture, 95(5), 1103-1115 (2014-11-21)
The bread-making process influences bread components, including phenolics that significantly contribute to its antioxidant properties. Five bread model systems made from different rye cultivars were investigated to compare their impact on concentration of ethanol-soluble (free and ester-bound) and insoluble phenolics.
Rukhsana Sultana et al.
Journal of neurochemistry, 92(4), 749-758 (2005-02-03)
Alzheimer's disease (AD) is neuropathologically characterized by depositions of extracellular amyloid and intracellular neurofibrillary tangles, associated with loss of neurons in the brain. Amyloid beta-peptide (Abeta) is the major component of senile plaques and is considered to have a causal
David L Compton et al.
Biotechnology letters, 31(6), 889-896 (2009-02-25)
1,3-Diferuloyl-sn-glycerol is found ubiquitously throughout the plant kingdom, possessing ultraviolet adsorbing and antioxidant properties. Diferuloyl glycerol was synthesized and isolated as a byproduct in up to 5% yield from a pilot plant scale packed-bed, biocatalytic transesterification of ethyl ferulate with
Srdhan Tufegdzić et al.
Annals of the New York Academy of Sciences, 1048, 466-470 (2005-09-13)
Horseradish peroxidase was used to synthesize diferulates by a procedure in which ethyl ferulate was used as substrate. Four different forms were obtained, of which two dominant were the 5-5' and 8-5' diferulate. Fluorescence emission spectra of the diferulates (excited
Vittorio Calabrese et al.
Clinics in dermatology, 26(4), 358-363 (2008-08-12)
Skin is one of the main targets for reactive oxygen species; thus, reactive oxygen species-induced damage and protein and lipid modifications occur, and skin can undergo a wide array of diseases, from photosensitivity to cancer. In this study, human dermal
Aiping Zhang et al.
Planta, 229(5), 1099-1108 (2009-02-24)
Radical coupling reactions between ethyl ferulate (Et-FA), a simple model for feruloyl polysaccharides in planta, and coniferyl alcohol (CA), a monolignol, were studied in order to better understand the polymer cross-coupling interactions among polysaccharides and monolignols or lignin, mediated by
Marzia Perluigi et al.
Journal of neuroscience research, 84(2), 418-426 (2006-04-25)
Alzheimer's disease (AD) is a neurodegenerative disorder characterized by the deposition of amyloid-beta peptide (Abeta), a peptide that as both oligomers and fibrils is believed to play a central role in the development and progress of AD by inducing oxidative
F Di Domenico et al.
Free radical research, 43(4), 365-375 (2009-03-11)
UV solar radiation is the major environmental risk factor for malignant melanoma. A great effort is currently posed on the search of new compounds able to prevent or reduce UV-mediated cell damage. Ferulic acid is a natural compound recently included
Leonard Blaschek et al.
Frontiers in plant science, 11, 109-109 (2020-03-21)
Lignin accumulates in the cell walls of specialized cell types to enable plants to stand upright and conduct water and minerals, withstand abiotic stresses, and defend themselves against pathogens. These functions depend on specific lignin concentrations and subunit composition in
Kin Kwan Lai et al.
Applied and environmental microbiology, 75(15), 5018-5024 (2009-06-09)
Cinnamic acids (i.e., ferulic and caffeic acids) that are esterified to the vegetable cell walls should be enzymatically released to be absorbed in a mammal's intestines. A low dosage of ferulic acid in rodent diets stimulates insulin production and alleviates
Jasmine Bhathena et al.
PloS one, 8(3), e58394-e58394 (2013-04-05)
The beneficial effect of a microencapsulated feruloyl esterase producing Lactobacillus fermentum ATCC 11976 formulation for use in non-alcoholic fatty liver disease (NAFLD) was investigated. For which Bio F1B Golden Syrian hamsters were fed a methionine deficient/choline devoid diet to induce
Ashok Kumar et al.
Bioresource technology, 102(3), 2162-2167 (2010-11-03)
In the present work we have evaluated synthesis of ethyl ferulate by the esterification reaction of ferulic acid and ethanol catalyzed by a commercial lipase (Steapsin) immobilized onto celite-545 in a short period of 6h in DMSO. The immobilized lipase
M A Edeas et al.
FEBS letters, 418(1-2), 15-18 (1997-12-31)
Previously, we demonstrated that ferulate ethyl and tocopherol reduced HIV replication. In this study, we investigate whether the conjugation of both compounds (O-tocopheryl succinyl O-ethyl ferulate) can increase HIV inhibition. We show here for the first time that O-tocopheryl succinyl
Giovanni Scapagnini et al.
Antioxidants & redox signaling, 6(5), 811-818 (2004-09-04)
In the CNS, the heme oxygenase (HO) system has been reported to be active and to operate as a fundamental defensive mechanism for neurons exposed to an oxidant challenge. We have recently shown that both curcumin and caffeic acid phenethyl
1/1