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A research on the chemical and microbiological qualities of honeys sold in Istanbul Ciênc. Tecnol. Aliment.
URAN,Harun; AKSU,Filiz; DÜLGER ALTINER,Dilek.
Abstract Honey, produced by honeybees from nectar in flowers and plants, is an aqueous supersaturated sugar solution, mainly composed of fructose and glucose. The quality and biochemical properties of honey are related to honey maturity, production methods, processing and storage conditions, climatic conditions as well as the nectar source of the honey. In this study, 35 honey samples of different sizes and packaging all of which were sold in Istanbul were examined in terms of some physicochemical and microbiological properties. All samples were floral liquid honey. The physicochemical characterizations were as follows: average moisture (16.31±1.40%), ash (0.30±0.29%), hydroxymethylfurfural (HMF) (8.09±7.63 mg/kg), pH (4.32±0.34), acidity (30±9 meq/kg). In...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Chemical quality; HMF; Honey; Microbiological quality.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-20612017000500030
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Chemical quality of bottled mineral waters from markets of Curitiba-PR-Brazil BABT
Santos,Éder José dos; Oliveira Junior,Dasio Roberto de; Hermann,Amanda Beatriz; Sturgeon,Ralph Edward.
ABSTRACT Twenty-seven bottled mineral waters from local markets in Curitiba, State of Paraná, Brazil were analyzed for a number of constituents, including: pH, conductivity, total dissolved solids, hardness, HCO3 - and CO 3 2-, as well as Ca2+, Mg2+, Na+, K+, NH4 + , F-, Cl-, NO3 -, NO2 - and SO4 2- by ion chromatography (IC); Al, Ba, Cd, Cr, Cu, Fe, Li, Mn, Ni, Sr, V and Zn by inductively coupled plasma optical emission spectrometry (ICP OES); Hg by cold vapor generation-ICP OES and As, Pb, Sb and Se by ICP-mass spectrometry (ICP-MS). The obtained limits of quantitation (LOQ) were adequate for the determination of all analytes using the various analytical techniques. Results for the analysis of AccuStandard certified reference materials QCS-01-5,...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Bottled mineral waters; Elemental composition; Chemical quality; Principal component analysis.
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132016000100513
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Etudes sanitaires pour le classement de zones conchylicoles en Charente Maritime : Rivière de la Seudre (coquillages fouisseurs), Banc de Ronce-Perquis (coquillages fouisseurs), Bouchots des Saumonards (coquillages filtreurs) ArchiMer
Auger, Christian; Noinin, Michel; Roësberg, Didier; Bouquet, Jean-paul.
Trois études de zones ont été conduites en 1997/1998 dans le bassin de Marennes-Oléron (Charente-Maritime). Deux concernaient la contamination des coquillages fouisseurs de la Seudre et du banc de Ronce-Perquis. La troisième concernait la contamination des coquillages filtreurs des bouchots à moules des Saumonards (Ile d'Oléron). Ces études avaient pour objet d'évaluer les niveaux de contamination microbiologique et chimique de ces zones de production de coquillages afin que l'Administration puisse en effectuer le classement sanitaire conformément à l'arrêté du 21 juillet 1995. La Seudre, à l'aval de la rivière, a montré, pour les fouisseurs, une qualité microbiologique de catégorie B et une qualité microbiologique de catégorie C pour la partie amont. De...
Tipo: Text Palavras-chave: Etude de zones; Marennes-Oléron; Charente-Maritime; Coliformes fécaux; Qualité chimique; Qualité microbiologique; Palourdes; Coques; Moules .; Sanitary studies; Marennes-Oléron; Charente-Maritime (France); Faecal coliforms; Chemical quality; Microbiologie quality; Chemical content; Clams; Cockles; Mussels; Burrowing and filter-feeder shell ..
Ano: 1999 URL: http://archimer.ifremer.fr/doc/00132/24281/22279.pdf
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