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  • 1960-1964  (2)
  • 1964  (2)
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  • 1960-1964  (2)
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  • 1
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 29 (1964), S. 0 
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Frozen fish fillets from commercial outlets representing 26 producers were analyzed for total aerobic plate counts, coliform organisms, fecal streptococci, and eoagulase-positive staphylococci. Total plate counts ranged from 1300 to 1,800,000/g; 72% were below 200,000/g. Coliform counts were low (0–190/ g). Only 14 of the 78 samples contained coliform organisms. Presumptive fecal streptococci counts were usually appreciably higher than coliform counts, and in only a few samples were none found. The highest count noted was 19,000 organisms/g. Coagulase-positive staphylococci were present in 25 Samples, representing 17 producers. Unlike in a previous study on frozen shrimp, half of the egg-yolk-positive micrococci were not coagulase-positive.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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  • 2
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 29 (1964), S. 0 
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: The radiosensitizing activity of a series of naphthalene derivatives against Streptococcus faecalis and Escherichia coli was examined to determine the essential molecular substituents and configurations required for effective sensitization when the compounds and organisms were irradiated with Co60 gamma rays. In general, compounds with hydroxyl or amino groups in the ortho and para positions, such as 1-amino-2-naphthol and 4-amino-1-naphthol, were particularly effective sensitizers for S. faecalis irradiated in air or in anoxia. E. coli was particularly sensitive to 4-amino-1-naphthol and 5-amino-1-naphthol when irradiated in anoxia, and less sensitive in air. Both organisms displayed marked sensitivity when irradiated with iodoacetic acid in air and in anoxia. It was determined that the bacteria and chemicals must be irradiated together for maximal radiosensitization to take place, for it was possible to almost eliminate radiosensitization by washing the cell-chemical suspension prior to irradiation.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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