Merck
Search Within
Filtros aplicados
Palavra-chave:'48640'
Exibindo 1-30 of 83 resultados for "

48640

" no prazo de Papéis
Ordenar por relevância
Gallic treatment is galling to Pseudomonas.
Jingping Wang et al.
Critical care medicine, 40(2), 690-691 (2012-01-18)
Kamiya Mehla et al.
Journal of ethnopharmacology, 137(3), 1345-1352 (2011-08-17)
Galls from Pistacia integerrima Linn. (kakadshringhi) have been used as therapeutic agent for various inflammatory diseases in Indian system of traditional medicine. However, the active constituents underlying the medicinal properties of the Pistacia integerrima Linn. have not been thoroughly investigated
null
Xingmei Nan et al.
Journal of ethnopharmacology, 216, 175-183 (2018-01-13)
Rhodiola algida var. tangutica (Maxim.) S.H. Fu is a perennial plant of the Crassulaceae family that grows in the mountainous regions of Asia. The rhizome and roots of this plant have been long used as Tibetan folk medicine for preventing
Jin-Oh Chung et al.
Food & function, 9(1), 234-242 (2017-11-24)
Quercetin and fisetin, known as catechol-containing flavonoids, could positively affect the absorption of catechins due to their strong affinity for catechol-O-methyl transferase (COMT), which can methylate and cause the excretion of catechins. The current study examined the effect of quercetin
Vika Gabe et al.
Molecules (Basel, Switzerland), 24(3) (2019-02-06)
This study aimed to test the effectiveness of ethyl gallate (EG) against S. mutans biofilm formation on solid surfaces (polystyrene, glass) and acidogenicity, and to examine the effect on expression of related genes. The biofilm that is formed by S.
T Murase et al.
Arteriosclerosis, thrombosis, and vascular biology, 19(6), 1412-1420 (1999-06-11)
Gallates (gallic acid esters) belong to the class of phenolic compounds, which are abundant in red wine. In this study, we show that gallates can inhibit cytokine-induced activation of nuclear factor kappaB (NF-kappaB) and thereby reduce expression of endothelial-leukocyte adhesion
Jin-Lan Wang et al.
Zhong yao cai = Zhongyaocai = Journal of Chinese medicinal materials, 33(9), 1406-1409 (2011-01-20)
To study the chemical constituents in ethyl acetate fraction from the Euphorbia fischeriana. The compounds were isolated by silica gel column chromatography and HPLC, and their structures were elucidated by means of spectral analyses. Fourteen compounds were identified as 2,4-dihydroxy-6-methoxy-3-methylacetophenone
Ji Young Lee et al.
International journal of molecular sciences, 21(9) (2020-05-06)
Demands for safe depigmentation compounds are constantly increasing in the pharmaceutical and cosmetic industry, since the numerous relevant compounds reported to date have shown undesirable side effects or low anti-melanogenic effects. In this study, we reported three novel inhibitors of
O Kenny et al.
Food chemistry, 161, 79-86 (2014-05-20)
Antimicrobial properties of ethanol and water extracts from eight Asteraceae species were investigated against three Gram positive (Staphylococcus aureus, MRSA and Bacillus cereus) and two Gram negative (Escherichia coli and Salmonella typhimurium) bacterial strains. Ethanol extracts from Centaurea scabiosa, Arctium
David Achaintre et al.
Journal of chromatography. A, 1558, 50-58 (2018-05-16)
Polyphenols constitute one of the most complex classes of phytochemicals in the human diet and have been suggested to play a role in the prevention of chronic diseases such as cardiovascular diseases, diabetes and cancers. However, evidence from epidemiological studies
Lin Wang et al.
Biomedical chromatography : BMC, 33(4), e4470-e4470 (2018-12-27)
A method based on ultra-performance liquid chromatography-tandem mass spectrometry has been developed for the rapid and simultaneous determination of five catechins and four theaflavins in rat plasma using ethyl gallate as internal standard. The pharmacokinetic profiles of these compounds were
Ri-Dong Qin et al.
Yao xue xue bao = Acta pharmaceutica Sinica, 47(7), 926-929 (2012-09-21)
To study the chemical constituents of Alchornea trewioides, silica gel column chromatography, Sephadex LH-20, reverse phase ODS column chromatography, MCI and semi-preparative HPLC were used to separate the 95% EtOH extract of the root of Alchornea trewioides. The structures were
Tristan E Lipkie et al.
PloS one, 10(6), e0127729-e0127729 (2015-06-11)
Emerging evidence indicates that carotenoids may have particular roles in infant nutrition and development, yet data on the profile and bioavailability of carotenoids from human milk remain sparse. Milk was longitudinally collected at 2, 4, 13, and 26 weeks postpartum
Weider H P Paz et al.
Food research international (Ottawa, Ont.), 109, 112-119 (2018-05-29)
Remela de cachorro (Clavija lancifolia Desf.) is an Amazonian native fruit consumed specially in the Purus microregion. Because of its rarity, restricted consumption, and the lack of knowledge about its chemical composition, remela de cachorro fruit was studied in relation
Jiraporn Kantapan et al.
Evidence-based complementary and alternative medicine : eCAM, 2020, 5686029-5686029 (2020-05-10)
Bouea macrophylla Griffith, locally known as maprang, has important economic value as a Thai fruit tree. The maprang seed extract (MPSE) has been shown to exhibit antibacterial and anticancer activities. However, the bioactive constituents in MPSE and the molecular mechanisms
Anaïs Izquierdo-Llopart et al.
Foods (Basel, Switzerland), 8(1) (2019-01-13)
Cava is a sparkling wine obtained by a secondary fermentation in its own bottle. Grape skin contains several compounds, such as polyphenols, which act like natural protectors and provide flavor and color to the wines. In this paper, a previously
Fei Han et al.
Talanta, 160, 183-193 (2016-09-04)
A rapid and sensitive UHPLC-FT-ICR MS/MS method was developed for the first time to analyze the extract of Rhodiola crenulata and the constituents absorbed into rat blood and brain after oral administration. Under the optimized conditions, a total of 64
Ryan C Barnes et al.
Food research international (Ottawa, Ont.), 129, 108812-108812 (2020-02-11)
Extraction of polyphenolic metabolites from blood fractions can be challenging since compound recovery can be limited by chemical structure, polarity, and protein-binding affinity of analytes. Gallic acid and its metabolites exhibit particularly low recoveries from plasma and can lead to
Elena Kurin et al.
Planta medica, 78(8), 772-778 (2012-04-14)
Vascular smooth muscle cell (VSMC) proliferation contributes to the development of atherosclerosis. Red wine consumption due to the polyphenol content has been reported to counteract atherosclerosis progression possibly through inhibition of VSMC proliferation, among other mechanisms. In this study we
Pascale Goupil et al.
Journal of agricultural and food chemistry, 65(41), 9006-9012 (2017-09-30)
Alkyl gallates showed elicitor activities on tobacco in both whole plants and cell suspensions. Methyl gallate (MG), ethyl gallate (EG), and propyl gallate (PG) infiltration into tobacco leaves induced hypersensitive reaction-like lesions and topical production of autofluorescent compounds revealed under
John Nii Addotey et al.
Journal of ethnopharmacology, 236, 326-335 (2019-03-17)
Leaves and twigs from Phyllanthus muellerianus Kuntze Excell are known to exert anti-inflammatory and antipyretic properties as well as wound healing properties. During a wide screening for human hyaluronidase-1 inhibitors from natural sources leaf extracts from P. muellerianus turned out
M A Zarza-Albarrán et al.
Journal of ethnopharmacology, 249, 112402-112402 (2019-11-19)
Acacia farnesiana (L.) Willd is a shrub legume used as condiment, medicinal plant and bioactive herbage. This species is used in traditional medicine of several countries to relieve the symptoms of gastrointestinal diseases, diarrhoea, stomach pain and typhoid as well
Chang-Seob Seo et al.
Molecular medicine reports, 12(3), 4773-4781 (2015-06-18)
Gleditsia sinensis thorns have traditionally been used to treat edema and carbuncles and drain abscesses. In the present study, a simultaneous analysis of four flavonoids [(+)‑catechin, (‑)‑epicatechin, eriodictyol and quercetin] and two phenolic compounds (caffeic acid and ethyl gallate), obtained
N Paulino et al.
Naunyn-Schmiedeberg's archives of pharmacology, 360(3), 331-336 (1999-10-30)
The relaxant response and the possible contribution of K+ channels to the relaxation caused by both methyl and ethyl gallates, two compounds isolated from the Brazilian medicinal plant Phyllanthus urinaria, were investigated in the guinea pig trachea in vitro. Both
John H Grabber et al.
Journal of agricultural and food chemistry, 60(20), 5152-5160 (2012-04-06)
Apoplastic targeting of secondary metabolites compatible with monolignol polymerization may provide new avenues for designing lignins that are less inhibitory toward fiber fermentation. To identify suitable monolignol substitutes, primary maize cell walls were artificially lignified with normal monolignols plus various
Naiara Pardo-Mates et al.
Food chemistry, 221, 29-38 (2016-12-17)
HPLC-UV was applied to the analysis and characterization of fruit-based and fruit-processed products. A Kinetex C18 reversed-phase column was proposed under gradient elution for the determination of 17 polyphenols. Acceptable sensitivity (LODs below 0.16mg/L), and good linearity (r2 higher than
Hyun Ju Do et al.
Evidence-based complementary and alternative medicine : eCAM, 2019, 6497691-6497691 (2019-11-07)
Rhus verniciflua is widely known for its antioxidant, antibacterial, anticancer, and antiaging efficacy and α-glucosidase inhibition. This study was designed whether Rhus verniciflua extracts inhibit the IgE-antigen-mediated allergic reaction in RBL-2H3 mast cells, and it further investigated the FcεRI- and
Pil-Hoon Park et al.
Archives of pharmacal research, 34(9), 1545-1552 (2011-10-07)
In the present study, we investigated an anti-inflammatory effect of ethyl gallate (EG) isolated from Galla Rhois as evaluated by inhibition of nitric oxide (NO) production and inducible nitric oxide synthase (iNOS) expression, and a potential role of heme oxygenase-1
Xavier Cetó et al.
Sensors (Basel, Switzerland), 18(12) (2018-12-21)
The development of a simple HPLC-UV method towards the evaluation of Spanish paprika's phenolic profile and their discrimination based on the former is reported herein. The approach is based on C18 reversed-phase chromatography to generate characteristic fingerprints, in combination with
Page 1 of 3
Page 1 of 3