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Keyword:'w228818'
Showing 1-30 of 58 results for "

w228818

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Fuhua Lin et al.
Analytical and bioanalytical chemistry, 405(6), 2077-2081 (2013-01-12)
A simple, efficient, and sensitive method for simultaneous determination of sorbic acid (SA), benzoic acid (BA), and cinnamic acid (CA) in juices and soft drinks was developed by stir cake sorptive extraction (SCSE) coupling to high-performance liquid chromatography with diode
Ranjeet Bairwa et al.
Bioorganic & medicinal chemistry letters, 20(5), 1623-1625 (2010-02-09)
In an attempt to identify potential new agents active against tuberculosis, 20 novel phenylacrylamide derivatives incorporating cinnamic acids and guanylhydrazones were synthesized using microwave assisted synthesis. Activity of the synthesized compounds was evaluated using resazurin microtitre plate assay (REMA) against
Sadaf Naeem et al.
Bioorganic & medicinal chemistry, 20(3), 1251-1258 (2012-01-21)
Data on phytochemical constituents of plants commonly used in traditional Indonesian medicine have been compiled as a computer database. This database (the Indonesian Herbal constituents database, IHD) currently contains details on ∼1,000 compounds found in 33 different plants. For each
Li Liu et al.
Bioorganic & medicinal chemistry letters, 22(1), 154-163 (2011-12-06)
The binding between the estrogen receptor α (ER-α) and a variety of compounds in traditional Chinese formulae, Si-Wu-Tang (SWT) series decoctions, was studied using a stably-transfected human breast cancer cell line (MVLN). In 38 compounds tested from SWT series decoctions
Bianca C Pérez et al.
Journal of medicinal chemistry, 56(2), 556-567 (2013-01-01)
The control of malaria is challenged by drug resistance, and new antimalarial drugs are needed. New drug discovery efforts include consideration of hybrid compounds as potential multitarget antimalarials. Previous work from our group has demonstrated that hybrid structures resulting from
Kentaro Tsuji-Naito
Bioorganic & medicinal chemistry, 16(20), 9176-9183 (2008-10-01)
Several major bone diseases are directly attributable to bone loss, including osteoporosis, bone metastasis, and rheumatoid arthritis. The nuclear factor of activated T cell 1 (NFATc1), a transcription factor, has recently been shown to play an essential role in osteoclastogenesis.
Masayuki Ninomiya et al.
Bioorganic & medicinal chemistry, 18(16), 5932-5937 (2010-07-29)
We isolated eight phenolic constituents from Fragaria ananassa Duch. (strawberry) and determined their structures using 1D, 2D-NMR. Among the isolated compounds, linocinnamarin (LN), 1-O-trans-cinnamoyl-beta-d-glucopyranose (CG), and cinnamic acid (CA) exhibited antigen (Ag)-stimulated degranulation in rat basophilic leukemia RBL-2H3 cells. In
Wendong Xu et al.
Journal of natural products, 72(9), 1620-1626 (2009-08-26)
Nine minor new tirucallane (1-7) and euphane (8 and 9) triterpenoids including five hydroperoxides, together with 18 known compounds, have been isolated from an ethanolic extract of the roots of Euphorbia micractina. Their structures including absolute configurations were elucidated by
Feng Li et al.
Journal of natural products, 73(4), 623-627 (2010-03-24)
Three new flavonoids, (2R,3R)-3,5-dihydroxy-7-methoxyflavanone 3-(2-methyl)butyrate (1), (7''R)-8-[1-(4'-hydroxy-3'-methoxyphenyl)prop-2-en-1-yl]chrysin (2), and (7''R)-8-[1-(4'-hydroxy-3'-methoxyphenyl)prop-2-en-1-yl]galangin (3), together with 41 known compounds (4-44) were isolated from a methanolic extract of Mexican propolis. Compounds 2 and 3 are unique natural flavones containing a 1-phenylallyl moiety. The in
Hee Jin Seo et al.
Journal of nanoscience and nanotechnology, 13(3), 1727-1732 (2013-06-13)
Novel liposomes composed of dioleoylphosphatidylethanolamine (DOPE) and 2-(hexadecyloxy) cinnamic acid (HOCA) were prepared by a detergent removal method. When the molar ratio of DOPE to HOCA was 4:1, 3:2, and 2:3, the florescence quenching degree of 5(6)-carboxylic fluorescein (CF, a
Tran Minh Ngoc et al.
Journal of natural products, 72(6), 1205-1208 (2009-06-27)
A methanol extract of the twigs of Cinnamomum cassia was found to possess inhibitory activity against tyrosinase. Purification of the MeOH extract afforded four new phenolics, cassiferaldehyde (6), icariside DC (9), cinnacassinol (10), and dihydrocinnacasside (13), together with 10 known
Amita Misra et al.
Gene, 510(2), 193-201 (2012-09-19)
CYPs have major role in the biosynthesis and modification of secondary metabolites. Predicting the possible involvement of CYPs in secondary metabolism, 20 partial sequences were amplified from the cDNA of trichome enriched tissue of Artemisia annua. Seven CYPs were converted
Hnin Thanda Aung et al.
Bioorganic & medicinal chemistry, 19(7), 2392-2396 (2011-03-11)
In our previous paper, we reported that rosmarinic acid (1) of Argusia argentea could neutralize snake venom induced hemorrhagic action. Rosmarinic acid (1) consists of two phenylpropanoids: caffeic acid (2) and 3-(3,4-dihydroxyphenyl)lactic acid (3). In this study, we investigated the
Cynthia L Cass et al.
Journal of experimental botany, 66(14), 4317-4335 (2015-06-21)
The phenylpropanoid pathway in plants synthesizes a variety of structural and defence compounds, and is an important target in efforts to reduce cell wall lignin for improved biomass conversion to biofuels. Little is known concerning the trade-offs in grasses when
Andrew M Lauer et al.
Organic letters, 14(19), 5138-5141 (2012-09-25)
A highly regioselective, Pd-catalyzed allylic fluorination of phosphorothioate esters is reported. This chemistry addresses several limitations of previously reported methods in which elimination and lack of reactivity were problematic. Preliminary mechanistic investigations reveal that these reactions are stereospecific and provide
Oussama Ahrazem et al.
Plant science : an international journal of experimental plant biology, 234, 60-73 (2015-03-26)
Glycosyltransferases play diverse roles in cellular metabolism by modifying the activities of regulatory metabolites. Three stress-regulated UDP-glucosyltransferase-encoding genes have been isolated from the stigmas of saffron, UGT85U1, UGT85U2 and UGT85V1, which belong to the UGT85 family that includes members associated
Ida B Niklasson et al.
Contact dermatitis, 68(3), 129-138 (2013-02-21)
Cinnamyl alcohol and cinnamal are frequent fragrance contact allergens. Both are included in the European baseline fragrance mix I, which is used for screening of contact allergy in dermatitis patients. The aim of this study was to investigate the autoxidation
Feng Yang et al.
Molecular pharmaceutics, 9(11), 3259-3265 (2012-09-27)
Owing to advantageous biochemical and pharmacological properties of human serum albumin (HSA), HSA-based drug carrier is playing an increasing role in the clinical setting. Since the IIA subdomain of HSA is a big hydrophobic cavity, we proposed that HSA delivers
Shi Qiu et al.
International journal of pharmaceutics, 479(1), 118-128 (2014-12-30)
The aim of this study was to investigate the effects of coformers on phase transformation and release profiles of carbamazepine (CBZ) cocrystals in hydroxypropyl methylcellulose (HPMC) based matrix tablets. It has been found that selection of different coformers of saccharin
Hisashi Matsuda et al.
Bioorganic & medicinal chemistry letters, 15(7), 1949-1953 (2005-03-23)
1'S-1'-Acetoxychavicol acetate from the rhizomes of Alpinia galanga inhibited nitric oxide (NO) production in lipopolysaccharide-activated mouse peritoneal macrophages with an IC(50) value of 2.3 microM. To clarify the structure-activity relationship of 1'S-1'-acetoxychavicol acetate, various natural and synthetic phenylpropanoids and synthetic
Stanislava Gorjanović et al.
Journal of agricultural and food chemistry, 60(38), 9573-9580 (2012-09-07)
Hydrogen peroxide scavenging (HPS) activity of unfermented (green, yellow, and white), partially fermented (oolong), and completely fermented (black) tea ( Camellia sinensis ), maté ( Ilex paraguariensis ), and various herbal infusions, as well as individual compounds (flavan-3-ols, flavonols, cinnamic
S Chethan et al.
Bioorganic & medicinal chemistry, 16(23), 10085-10090 (2008-11-04)
Retinopathy is a major cause of blindness in the Western world, while cataract is one of the three major causes of blindness worldwide. Diabetes is one of the major risk factor in retinopathy and cataract. The prevalence of blindness in
Soumyananda Chakraborti et al.
Journal of medicinal chemistry, 54(18), 6183-6196 (2011-08-13)
Although curcumin is known for its anticarcinogenic properties, the exact mechanism of its action or the identity of the target receptor is not completely understood. Studies on a series of curcumin analogues, synthesized to investigate their tubulin binding affinities and
Meng Wu et al.
PloS one, 8(2), e56475-e56475 (2013-02-19)
A series of trans-3-aryl acrylic acids 1-27 and their derivatives 28-34 were prepared and evaluated for their antiviral activity against tobacco mosaic virus (TMV) for the first time. The bioassay results showed that most of these compounds exhibited good antiviral
Mengkai Zheng et al.
Journal of ethnopharmacology, 164, 22-29 (2015-02-11)
Mahuang decoction, Ephedra combined with Cassia twig, Bitter apricot kernel and Prepared licorice, has been widely used as a multi-herb prescription in traditional Chinese medicine (TCM). Many modern pharmacological studies have shown that the compatibility application of these four herbs
Noemí Buján et al.
Journal of proteomics, 127(Pt B), 310-320 (2015-05-17)
Edwardsiella tarda is an enteric opportunistic pathogen that causes a great loss in aquaculture. This species has been described as a phenotypical homogeneous group; in contrast, serological studies and molecular typing revealed a wide heterogeneity. In this work, a proteomic
Adele Cutignano et al.
Chembiochem : a European journal of chemical biology, 13(12), 1759-1766 (2012-07-26)
Opisthobranchs belong to a subclass of highly evolved and specialised marine gastropods that rely on the use of secondary metabolites for their survival. Here we report the full elucidation of the biosynthesis of aromatic metabolites, lignarenones, in one of these
Abigail P Ferrieri et al.
Plant physiology, 161(2), 692-704 (2013-02-02)
Using the short-lived isotope (11)C (t(1/2) = 20.4 min) as (11)CO(2), we captured temporal changes in whole-plant carbon movement and partitioning of recently fixed carbon into primary and secondary metabolites in a time course (2, 6, and 24 h) following
Constant Anatole Pieme et al.
Biological research, 47, 54-54 (2015-02-28)
Zanthoxylum heitzii is a spice used to prepare several dishes and to treat tumors, syphilis, malaria, cardiac palpitations, urogenital infections in the west region of Cameroon, but the antitumor mechanisms and chemical composition are not yet investigated. This study was
Taketoshi Hata et al.
PloS one, 7(11), e48072-e48072 (2012-11-08)
Brazilian green propolis is a popular health supplement because of its various biological properties. The ethanol extract of Brazilian green propolis (EEBP) is characteristic for its herb-like smell and unique pungent taste. However, the ingredients responsible for its pungency have
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