Search Within
V1104
Applied Filters:
Keyword:'V1104'
Showing 1-30 of 176 results for "V1104" within Papers
Yonggan Chen et al.
Applied and environmental microbiology, 81(15), 4947-4954 (2015-05-17)
Vanilla beans were analyzed using biochemical methods, which revealed that glucovanillin disperses from the inner part to the outer part of the vanilla bean during the curing process and is simultaneously hydrolyzed by β-d-glucosidase. Enzymatic hydrolysis was found to occur
Faiyaz Shakeel et al.
Food chemistry, 180, 244-248 (2015-03-15)
The solubility of vanillin in ten different environmentally benign solvents namely water, ethanol, ethylene glycol (EG), ethyl acetate (EA), isopropanol (IPA), propylene glycol (PG), polyethylene glycol-400 (PEG-400), Transcutol, butanol-1 and butanol-2 was measured and correlated at T=(298-318)K. The resulting experimental
Jatinder Kumar et al.
PloS one, 9(6), e98696-e98696 (2014-06-18)
Fourteen saxicolous lichens from trans-Himalayan Ladakh region were identified by morpho-anatomical and chemical characteristics. The n-hexane, methanol and water extracts of the lichens were evaluated for their antioxidant capacities. The lichen extracts showing high antioxidant capacities and rich phenolic content
Aditya M Kunjapur et al.
Journal of the American Chemical Society, 136(33), 11644-11654 (2014-07-31)
Aromatic aldehydes are useful in numerous applications, especially as flavors, fragrances, and pharmaceutical precursors. However, microbial synthesis of aldehydes is hindered by rapid, endogenous, and redundant conversion of aldehydes to their corresponding alcohols. We report the construction of an Escherichia
K Ponnusamy et al.
World journal of microbiology & biotechnology, 29(9), 1695-1703 (2013-03-30)
Biofouling is a serious problem on filter membranes of water purification systems due to formation of bacterial biofilms, which can be detrimental to the membrane performance. Biofouling occurs on membrane surface and therefore greatly influences the physical and chemical aspects
Ivana Sirangelo et al.
Nutrients, 12(8) (2020-08-06)
Doxorubicin (doxo) is an effective anticancer compound in several tumor types. However, as a consequence of oxidative stress induction and ROS overproduction, its high cardiotoxicity demands urgent attention. Vanillin possesses antioxidant, antiproliferative, antidepressant and anti-glycating properties. Therefore, we investigated the
Andrea Toschi et al.
Molecules (Basel, Switzerland), 25(18) (2020-09-24)
Bioactive compounds, such as organic acids (OA) and nature-identical compounds (NIC), can exert a role in the protection of intestinal mucosa functionality due to their biological properties. The aim of this study was to understand the role of 2 OA
Nicholas J Walton et al.
Phytochemistry, 63(5), 505-515 (2003-06-18)
Vanillin (4-hydroxy-3-methoxybenzaldehyde) is an important flavour and aroma molecule, but is also of interest because of its biogenetic relationship to the phenylpropanoid pathway and to other molecules of physiological significance, notably salicylate. Recent progress towards characterisation of the biosynthesis of
Fu-Chi Chen et al.
Journal of natural products, 68(9), 1318-1323 (2005-09-27)
Five new compounds, kotolactone A (1), kotolactone B (2), secokotomolide (3), kotodiol (4), and 2-acetyl-5-dodecylfuran (5), and 36 known compounds have been isolated from the stem wood of Cinnamomum kotoense. The structures of these new compounds were determined by means
Evangelia Kritikou et al.
Molecules (Basel, Switzerland), 25(21) (2020-10-28)
The huge interest in the health-related properties of foods to improve health has brought about the development of sensitive analytical methods for the characterization of natural products with functional ingredients. Greek olive leaves and drupes constitute a valuable source of
Yongsheng Chen et al.
PloS one, 9(9), e108140-e108140 (2014-09-23)
Increased consumption of vegetables or plant food has been associated with decreased risk of developing major chronic diseases, such as cancers, diabetes, cardiovascular diseases, and age-related functional decline. Ramie leaves are rich in phenolics and flavonoids, which have been suggested
Glen Andrew de Vera et al.
Water research, 114, 113-121 (2017-02-24)
Chlorine demand of a water sample depends on the characteristics of dissolved organic matter (DOM). It is an important parameter for water utilities used to assess oxidant and/or disinfectant consumption of source waters during treatment and distribution. In this study
Mahsa Moradipour et al.
Colloids and surfaces. B, Biointerfaces, 191, 111028-111028 (2020-04-20)
The potential to impart surfaces with specific lignin-like properties (i.e. resistance to microbes) remains relatively unexplored due to the lack of well-defined lignin-derived small molecules and corresponding surface functionalization strategies. Here, allyl-modified guaiacyl β-O-4 eugenol (G-eug) lignin-derived dimer is synthesized
Choon Young Lee et al.
Bioorganic & medicinal chemistry letters, 19(22), 6326-6330 (2009-10-14)
Three dendritic polyphenols (generation 1) were synthesized: a syringaldehyde-based dendrimer (1), a vanillin-based dendrimer (2), and an iodinated vanillin-based dendrimer (3). They all showed strong antioxidant activity according to the 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical assay. The syringaldehyde dendrimer was twice and
Mery de la Fuente et al.
Journal of aquatic animal health, 27(2), 112-122 (2015-05-23)
The main goal of this study was to find bacterial isolates with the ability to inhibit the growth of the fish pathogens Aeromonas hydrophila, Vibrio anguillarum, and Flavobacterium psychrophilum and to inhibit the blockage of the quorum-sensing (QS) system. A
Chawanphat Muangnoi et al.
Pharmaceutics, 11(8) (2019-08-04)
Previously, we synthesized curcumin and a succinate ester prodrug of curcumin namely curcumin diethyl disuccinate (CurDD) in the lab scale, which yielded hundred milligrams to few grams of the compounds. CurDD was found to be more stable in a phosphate
María de la Luz Cádiz-Gurrea et al.
International journal of molecular sciences, 15(11), 20382-20402 (2014-11-11)
The consumption of polyphenols has frequently been associated with low incidence of degenerative diseases. Most of these natural antioxidants come from fruits, vegetables, spices, grains and herbs. For this reason, there has been increasing interest in identifying plant extract compounds.
Hanen Bouaziz-Ketata et al.
Indian journal of experimental biology, 53(4), 208-215 (2015-05-28)
In this study, we report isolation of flavonoids, viz., 3-O-methylquercetin, tangeritin, luteolin-7-O-glucoside, luteolin, apigenin-7-O-glucoside, apigenin-8-C-glucoside, luteolin-8-C-glucoside, luteolin-6-C-glucoside, diosmetin and catechin from the methanolic extract of Hyparrhenia hirta employing high performance liquid chromatography and liquid chromatography-electrospray ionization-tandem mass spectrometry. The total
Ebubekir Izol et al.
Chemistry & biodiversity, 18(1), e2000560-e2000560 (2020-11-15)
Allium species are widely consumed as food all over the world. The phenolic profile of ethanol extracts of aerial parts and roots of 12 Allium species, collected from five different Eastern Anatolia regions, were studied using LC-MS/MS. In vitro antioxidant
Tae Hoon Kim et al.
Bioorganic & medicinal chemistry letters, 21(5), 1512-1514 (2011-02-02)
The naturally occurring yellow dietary diarylheptanoid curcumin (1) was converted by γ-ray to two new γ-lactones, curculactones A (2) and B (3), as well as four known transformates, erythro-1-(3-methoxy-4-hydroxy-phenyl)-propan-1,2-diol (4), threo-1-(3-methoxy-4-hydroxy-phenyl)-propan-1,2-diol (5), vanillic acid (6), and vanillin (7). The structures
Meng Li et al.
Bioresource technology, 167, 14-23 (2014-06-27)
Sweet sorghum has been regarded as a typical species for rich soluble-sugar and high lignocellulose residues, but their effects on biomass digestibility remain unclear. In this study, we examined total 63 representative sweet sorghum accessions that displayed a varied sugar
D A Sousa et al.
The Science of the total environment, 647, 1097-1105 (2018-09-06)
Carbon-based nanomaterials have been directly synthesized from olive mill wastewaters (OMWWs) for the first time, using expedite and simple environmental-friendly procedures. The OMWWs collected from a mill operating by a two-phase centrifugation system, after being heated (150-300 °C) solely or in
Yeongkwon Son et al.
International journal of environmental research and public health, 17(16) (2020-08-09)
Health impacts of electronic cigarette (e-cigarette) vaping are associated with the harmful chemicals emitted from e-cigarettes such as carbonyls. However, the levels of various carbonyl compounds under real-world vaping conditions have been understudied. This study evaluated the levels of carbonyl
Yulong Wang et al.
Carbohydrate polymers, 223, 115061-115061 (2019-08-21)
In this study, chitosan oligosaccharide (COS)-vanillin imine (COS-Vani Imine)-based dual pH responsive nano-micelles (DPRNs) were synthesized. The resultant DPRNs were used for encapsulating genistein and its ultimate release upon pH change. The overall concept of DPRNs for the targeted delivery
N J Walton et al.
Current opinion in biotechnology, 11(5), 490-496 (2000-10-12)
Microorganisms able to produce vanillin in excess of 6g/l from ferulic acid have now been isolated. In Pseudomonas strains, the metabolic pathway from eugenol via ferulic acid to vanillin has been characterised at the enzymic and molecular genetic levels. Attempts
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
Choon Young Lee et al.
Biochimie, 111, 125-134 (2015-02-11)
Numerous studies have reported the beneficial effects of antioxidants in human diseases. Among their biological effects, a majority of antioxidants scavenge reactive radicals in the body, thereby reducing oxidative stress that is associated with the pathogenesis of many diseases. Antioxidant
Guy L Plourde et al.
Molecules (Basel, Switzerland), 18(1), 1174-1180 (2013-01-25)
A short five steps synthesis of the title compound from vanillin is described. The racemic spiroether 7 was obtained in 61% yield and in >99% diastereomeric excess (by 1H-NMR) from the corresponding phenolic derivative 3 by oxidation with lead (IV)
Nobuo Ochiai et al.
Journal of chromatography. A, 1421, 103-113 (2015-08-16)
An extension of multi-volatile method (MVM) technology using the combination of a standard dynamic headspace (DHS) configuration, and a modified DHS configuration incorporating an additional vacuum module, was developed for milliliter injection volume of aqueous sample with full sample evaporation.
Cristina Montserrat Moreno-Ley et al.
Talanta, 197, 264-269 (2019-02-18)
Fourier transform mid-infrared (MID-FTIR) spectroscopy coupled with chemometric analysis was used to identify and quantify coumarin (CMR) and ethyl vanillin (EVA) adulterations in pure vanilla extracts. Forty samples adulterated with CMR (0.25-10 ppm) and forty with EVA (0.25-10%) were prepared from
Page 1 of 6