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Journals and Conferences
Polychlorinated dibenzo-p-dioxins and dibenzofurans (PCDD/Fs) as well as polychlorinated biphenyls (PCBs) are widespread environmental contaminants. A French national survey was carried out in April 2006 to assess the concentrations of PCDD/Fs and dioxin-like PCBs (DL-PCBs) in raw cow's milk. A random sampling scheme stratified by region was applied to… (More)
A new flavonoid di-C-glycoside, violarvensin (1), was isolated from the aerial parts of Viola arvensis, together with the known derivative violanthin (2). The structure of 1 was established as apigenin-6-C-beta-D-glucopyranosyl-8-C-beta-D-6-deoxygulopyrano side by spectral analysis.
The aim of this work was to characterize UV-absorbing compounds (UAC) in milk in relation to diet. In winter, 4 groups of cows each received a different diet: concentrate rich containing 35% cocksfoot hay (CCH), maize silage (MS), rye grass silage (RS), or rye grass hay (RH). In summer, 2 additional diets were given: mountain grassland hay (GH) and mountain… (More)
Polychlorinated biphenyls (PCBs), polybrominated diphenyl ethers (PBDEs) and polychlorinated dibenzo-p-dioxins and dibenzofurans (PCDD/Fs) were analysed in the muscle of various edible marine crustaceans (spider crab, edible crab, velvet swimming crab and Norway lobster) from the Brittany and Normandy coasts (France). The highest concentrations were… (More)
The two major caffeoylquinic acids, 3,5-di-O-caffeoylquinic acid and 1,5-di-O-caffeoylquinic acid, were new-isolated from the flowering tops of Artemisia vulgaris (yield 2.0% and 0.3% on dry weight, respectively) and characterized by spectroscopic analysis.
Luteolin 3'-O-beta-D-glucuronide (1) was isolated from the leaves of Melissa officinalis subsp. officinalis and characterized by spectroscopic analysis.
Quercetin 3-O-alpha-L-arabinopyranoside (1) was isolated from the aerial parts of Alchemilla xanthochlora and characterized by spectroscopic analysis.
Dried aerial parts of Alchemilla xanthochlora Rothm. (16 batches), A. glabra Neygenf. (1 batch), A. coriacea Buser (2 batches) and A. filicaulis Buser (3 batches) present a similar flavonoid and tanin pattern. In the case of A. xanthochlora, the mean levels of the principal compounds were: total flavonoids 2.22%, glucuronyl-3 quercetol 1.18%, tanins 16.0%… (More)
The rising demand for drug testing comes from pressure from society to stem the spread ofsubstance abuse and to provide people with greater protection. In response to this demand, urinalysis testing programmes have been implemented by a variety of organizations, such as business and industrial employers, the transportation industry," police and fire… (More)
The use of liquid secondary ion mass spectrometry (LSIMS) in the characterization of related recombinant 7-kDa peptides illustrates the adequacy of average mass measurement by scanning at low resolution. The difficulty in using the high-resolution technique in the case of poor LSIMS sensitive peptides is discussed, as well as the fact that it does not give,… (More)