Results 11 to 20 of about 1,263 (154)

Hydroxymethylfurfural: an indicative parameter of heat damage in cereal products

Czech Journal of Food Sciences, 2004
The main chemical changes occurring during biscuit cooking result from two complex reactions involving reducing sugars: the Maillard reaction and caramelisation, both of them being responsible for non enzymatic browning.
L. Ait Ameur, M. Zude, G. Trystram, I. Birlouez-Aragon   +3 more
doaj   +1 more source

Analysis of linoleoyl and oleoyl macrogolglycerides by high performance liquid chromatography coupled to the atmospheric pressure photoionization mass spectrometry

Oilseeds and fats, crops and lipids, 2020
Linoleoyl macrogolglyceride (LM) and oleoyl macrogolglyceride (OM) are pharmaceutical ingredients, obtained from corn and apricot kernel oils respectively.
Kemel Kamilia, Libong Danielle, Solgadi Audrey, Tfaili Sana, Baillet-Guffroy Arlette, Laugel Cécile   +5 more
doaj   +1 more source

Analysis of the Variability of Diurnal Profiles of Critical foF2 Frequencies in the Light of Solar Radiation

International Journal of Geophysics
This present article was written to analyze the variability of the diurnal profiles of the critical foF2 frequencies in the light of solar radiation based on in situ measurements of the ionosonde stations of Dakar (latitude 14.8° N, longitude 342.6° E ...
Segda Abdoul Kader, Kaboré Salfo, Zoundi Christian, Ouattara Frédéric   +3 more
doaj   +1 more source

Photo-electron Spectra of Germanate, Tellurite and Tungstate Glasses Especially Apt to Show Lanthanide Luminescence

CHIMIA, 1976
The photo-electron spectra of vitreous samples are essentially similar to comparable crystalline compounds, and the local ordering of neighbour oxygen atoms inferred from europium(III) emission spectra of certain glasses containing both tungstate and ...
Renata Reisfeld, C.K. Jørgensen, H. Berthou   +2 more
doaj   +1 more source

30ièmes Journées Franco-Belges de Pharmacochimie

Pharmaceuticals, 2016
The “Journées Franco-Belges de Pharmacochimie” is a recognized annual meeting in organic and medicinal chemistry known for the quality of scientific exchange and conviviality.
Samia Aci-Sèche, Frédéric Buron, Karen Plé, Laurent Robin, Franck Suzenet, Sylvain Routier   +5 more
doaj   +1 more source

Fluorescence fingerprints as a rapid predictor of the nutritional quality of processed and stored foods

Czech Journal of Food Sciences, 2004
Foods are complex mixtures of macro- and micronutrients, which interact leading to oxidation, glycation and hydrolysis upon heating (sterilization, cooking) and storage.
I. Birlouez-Aragon, P. A Mas, L. Ait Ameur, N. Locquet, E. De St Louvent, M. Zude   +5 more
doaj   +1 more source

A Low-Cost Layered Double Hydroxide (LDH) Based Amperometric Sensor for the Detection of Isoproturon in Water Using Carbon Paste Modified Electrode

Journal of Analytical Methods in Chemistry, 2020
In this work, a Layered Double Hydroxide (NiAl-LDH) was obtained by coprecipitation method and used to elaborate an electrochemical sensor for the determination of isoproturon, which is a hazardous pollutant, widely used in agriculture, and its residue ...
Herve Leclerc Tcheumi, Aude Peggy Kameni Wendji, Ignas Kenfack Tonle, Emmanuel Ngameni   +3 more
doaj   +1 more source

Characterization of Corn Silk Extract Using HPLC/HRMS/MS Analyses and Bioinformatic Data Processing

Plants, 2023
In addition to having different biological activities of interest, corn silks play a role in the defense of plants. While benzoxamines and flavonoids have already been identified as molecules of plant defense and growth mechanisms, knowledge on the ...
Laëtitia Fougère, Sandrine Zubrzycki, Claire Elfakir, Emilie Destandau   +3 more
doaj   +1 more source

Zur analytischen Chemie der Seltenen Erden

CHIMIA, 1960
Nach einer kurzen Besprechung der Seltenen Erden und ihrer wichtigsten Trennverfahren wird eine Übersicht über ihre Anwendungsmöglichkeiten gegeben.
G. Brunisholz, J.P. Quinche
doaj   +1 more source

Adsorption of Iodine and Halogen-containing Organic Molecules on Gold Studied by Photo-electron Spectra

CHIMIA, 1975
The relative proportion of undissociated organic molecules and of separate iodine adsorbed on gold surfaces is studied, using photoelectron signal intensities and chemical shifts.
Lucette Balsenc, Hervé Berthou, Christian Klixbüll Jorgensen   +2 more
doaj   +1 more source