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  • Articles: DFG German National Licenses  (3)
  • 1995-1999  (2)
  • 1985-1989  (1)
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  • Articles: DFG German National Licenses  (3)
Material
Years
  • 1995-1999  (2)
  • 1985-1989  (1)
Year
Keywords
  • 1
    Electronic Resource
    Electronic Resource
    Stability of sulphadimidine during raw fermented sausage preparation: reaction of sulphadimidine with nitrite (1998)
    Springer
    Zeitschrift für Lebensmittel-Untersuchung und -Forschung 206 (1998), S. 94-98 
    Details
    ISSN: 1431-4630
    Keywords: Key words Stability ; Sulphadimidine ; Meat processing ; Nitrite ; Residues
    Source: Springer Online Journal Archives 1860-2000
    Topics: Process Engineering, Biotechnology, Nutrition Technology
    Notes: Abstract  In earlier studies of the stability of sulphadimidine (SDM) during the preparation of raw fermented sausage, some unknown reaction products were observed which have been further studied. Sausages prepared with SDM, and their corresponding brines were examined for the presence of desamino-SDM (DAS) and 4-hydroxy-desamino-SDM (SOH), as they are possible products of the reaction between SDM and the additive nitrite. After extraction, clean-up and solid-phase extraction (SPE) concentration, the compounds were identified by HPLC followed by diode array detection. The presence of SOH and DAS could be demonstrated in both sausage and brine. In sausage 2.5% of SDM was converted to DAS, while only a minor amount (0.1%) was transformed to SOH. In brine approximately 2.5% and 4% of the original amount of SDM was found as DAS and SOH, respectively.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002170050221
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    Bound sulphadimidine residues in raw fermented sausage: release under acidic conditions and bioavailability in rats (1999)
    Springer
    Zeitschrift für Lebensmittel-Untersuchung und -Forschung 208 (1999), S. 183-188 
    Details
    ISSN: 1431-4630
    Keywords: Key words Sulphadimidine ; Fermented sausage ; Carbon-14-labelling ; Rat ; Bound residues
    Source: Springer Online Journal Archives 1860-2000
    Topics: Process Engineering, Biotechnology, Nutrition Technology
    Notes: Abstract  Sulphadimidine (SDM), a drug frequently administered to pigs, is partially converted into other compounds by processing meat to produce raw, fermented sausage. With the aid of 14C-labelled SDM, evidence was obtained that part of the radioactive matter was covalently bound to the matrix. Part of these bound residues could be released in vitro by 4 M HCl at 21  °C or by 0.024 M HCl at 37  °C. Female rats were also able to release bound SDM residues and to excrete these in their urine, in amounts approaching those obtained by treatment with 4 M HCl. Both the parent compound and its main metabolite, N 4-acetyl-SDM, were observed in the urine of rats.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002170050399
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Rapid sample preparation methods for analysis of residues of sulfamethazine and its N4-acetyl and desamino metabolites in swine tissue by HPLC (1987)
    New York, NY : Wiley-Blackwell
    Biomedical Chromatography 2 (1987), S. 41-45 
    Details
    ISSN: 0269-3879
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Medicine
    Notes: Rapid sample preparation methods for the determination of sulfamethazine (SMZ) and its N4-acetyl and desamino metabolites in swine tissues at the 0.1 mg kg-1 level are presented. The methods use sonication-aided extraction with dichloromethane. For SMZ and N4-acetyl SMZ analysis extracts are cleaned up and concentrated on a silica disposable column followed by HPLC on a CP™ Spher C8 column using acetonitrile-sodium acetate buffer as the mobile phase. For desamino-SMZ analysis the extract was cleaned up and concentrated on a Florisil disposable column, followed by HPLC on a Nucleosil 5-CN column after formation of an ion-pair complex with 1-heptanesulfonic acid. For desamino SMZ peak identification by diode-array UV/VIS detection is also described. Mean recoveries from spiked tissue samples were about 87% (muscle) and 76% (kidney) for SMZ and N4-acetyl SMZ and about 70% for desamino SMZ.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/bmc.1130020112
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    Paper (German National Licenses)
    Fulltext
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