Results 211 to 220 of about 7,658 (254)

The Impact of Glycation on Protein Digestibility

ChemFoodChem, EarlyView.
Schematic overview of how protein glycation affects digestibility and downstream nutritional consequences. Glycation‐derived structural modifications reduce protease accessibility, leading to limited hydrolysis and altered peptide generation. These changes decrease amino acid bioavailability and may subsequently contribute to microbiome alterations ...
Lea Hönemann, Simone Lipinski, Jana Raupbach   +2 more
wiley   +1 more source

Synthesis of the Phospha‐Wittig Reagent Me3P = P(C2F5) and Generation of a Phospanyl‐Wittig Derivative Me3P = C(CF3)P(C2F5)F

Chemistry – A European Journal, EarlyView.
The first example of a simple alkylated phosphinidene‐adduct (“phospha‐Wittig”) is reported. The synthesis of Me3PPC2F5 was enabled through reaction of the cyclotetraphosphane (PC2F5)4 with PMe3. The phosphanyl‐functionalized Wittig reagent Me3PC(CF3)P(C2F5)F was prepared by treating the diphosphane P2(C2F5)4 with PMe3.
Lukas Hartmann, Hannah Koch, Julia Bader, Beate Neumann, Jan‐Hendrik Lamm, Hans‐Georg Stammler, Mira Kessler, Berthold Hoge   +7 more
wiley   +1 more source

Fluorogenic Sydnones for Bioorthogonal Labeling of DNA

Chemistry – A European Journal, EarlyView.
Conjugates of sydnones with cyanine‐styryl dyes combine bioorthogonal reactivity with fluorogenicity. The reactivity with bicyclo[6.1.0]non‐4‐yne (BCN)‐modified DNA showed second‐order rate constants of up to k2 = 2,300 M−1s−1 and fluorescence turn‐on by one magnitude of order.
Kerstin Müller, Hans‐Achim Wagenknecht   +1 more
wiley   +1 more source

Mechanistic Insights Into Sustainable Catalytic Pyrolysis of Biomass‐Derived Ferulic Acid: The Role of Alumina Regeneration

Chemistry – A European Journal, EarlyView.
Surface‐bound ferulate phenolate complexes undergo styrene‐like polymerization on alumina, yielding a polymeric carbonaceous layer that progressively transforms into polyaromatic carbon domains with concomitant release of aromatic products, while parallel surface‐assisted decarboxylation produces 4‐vinylguaiacol. ABSTRACT A fundamental understanding of
Tetiana V. Kulik, Borys B. Palianytsia, Mykola M. Ilchenko, Nataliia S. Nastasiienko, David J. Morgan, Liudmila P. Storozhuk, David J. Willock, Greg Shaw, Duncan F. Wass, Rafael Luque, Philip R. Davies, Mykola T. Kartel   +11 more
wiley   +1 more source

Bismuth Chalcogenide‐Based Photocatalysts for Nitrogen Reduction: Recent Progress and Prospects

Chemistry – A European Journal, EarlyView.
Bismuth chalcogenides emerge as promising visible‐light photocatalysts for sustainable ammonia synthesis, driven by tunable electronic structures and strong N2 activation. Recent advances reveal how defects, doping and heterojunction design synergistically enhance charge separation and reactivity. Key challenges and future directions highlight pathways
Mukesh K. Verma, Muhammad D. Bala, Phindile B. Khoza, Tshephiso R. Papo, Mzamo L. Shozi   +4 more
wiley   +1 more source

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Ohmic heating assisted hydrodistillation of clove essential oil

Industrial Crops and Products, 2019
Abstract Ohmic heating assisted hydrodistillation is a novel green technology for the extraction of essential oils. In this study, clove bud essential oils (CEO) were extracted by ohmic heating assisted hydrodistillation (OAHD) and compared with conventional hydrodistillation (HD) process, in terms of extraction yield, energy consumption and chemical
İlkay Koca
exaly   +3 more sources

Improving the antifungal activity of clove essential oil encapsulated by chitosan nanoparticles

Food Chemistry, 2019
Encapsulation of clove essential oil (CEO) by chitosan nanoparticles (ChNPs) was performed, using an emulsion-ionic gelation technique to improve the antifungal efficacy of CEO. The mass ratios of chitosan (Ch) to tripolyphosphate (TPP), 1:1, for unloaded ChNPs and 1:1:1 for Ch to TPP to CEO, for CEO-loaded ChNPs (CEO-ChNPs), were selected as optimum ...
Faramarz Khodaiyan, Mohammad Safari
exaly   +3 more sources

Preparation and characterization of clove essential oil-loaded liposomes

Food Chemistry, 2015
In this study, suitable formulations of natural soybean phospholipid vesicles were developed to improve the stability of clove essential oil and its main component, eugenol. Using an ethanol injection method, saturated (Phospholipon 80H, Phospholipon 90H) and unsaturated soybean (Lipoid S100) phospholipids, in combination with cholesterol, were used to
Sebaaly, Carine, Jraij, Alia, Fessi, Hatem, Charcosset, Catherine, Greige-Gerges, Hélène   +4 more
openaire   +3 more sources

Chemical Composition and Antioxidant Properties of Clove Leaf Essential Oil

Journal of Agricultural and Food Chemistry, 2006
The antioxidant activity of a commercial rectified clove leaf essential oil (Eugenia caryophyllus) and its main constituent eugenol was tested. This essential oil comprises in total 23 identified constituents, among them eugenol (76.8%), followed by beta-caryophyllene (17.4%), alpha-humulene (2.1%), and eugenyl acetate (1.2%) as the main components ...
Jirovetz, Leopold, Buchbauer, Gerhard, Stoilova, Ivanka, Schmidt, Erich, Krastanov, Albert, Stoyanova, Albena   +5 more
openaire   +3 more sources

Influence of thyme and clove essential oils on cottonseed oil oxidation

Journal of the American Oil Chemists' Society, 1989
AbstractSimple model systems composed of refined cottonseed oil and thyme oil or clove oil, without additives, were designed to approximate conditions in natural oils in order to study their oxidation behavior. Three methods were used to follow cottonseed oil oxidation, i.e., coupled oxidation withβ‐carotene, the TBA test and hydroperoxide number.
R. S. Farag, A. Z. M. A. Badei, G. S. A. El Baroty   +2 more
openaire   +1 more source