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  • 1
    Electronic Resource
    Electronic Resource
    Mold-free Shelf-life Extension of Bakery Products by Active Packaging (2003)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 68 (2003), S. 0 
    Details
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: : Total elimination of oxygen (O2) in modified atmosphere packaging of bakery products is difficult to achieve. Because of the typical porous texture of the packaging, air can be retained inside. The effect of O2 absorbers alone or in combination with modified atmosphere on Eurotium amstelodami, E. herbariorum, E. repens, and E. rubrum growth was investigated. Cakes of 0.80 to 0.90 water activity (aw) were packaged with different atmospheres (air, 100% N2; 70% N2:30% CO2) and O2 absorbers of 2 different absorption capacities. The use of absorbers with a suitable absorption capacity led to a significant increase of cakes with mold-free shelf life, regardless of aw and pH level, at 25 °C.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2621.2003.tb07059.x
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  • 2
    Electronic Resource
    Electronic Resource
    In situ absorption of aflatoxins in rat small intestine (1996)
    Springer
    Mycopathologia 134 (1996), S. 27-30 
    Details
    ISSN: 1573-0832
    Keywords: mycotoxins ; aflatoxins ; absorption ; rat small intestine
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract To evaluate the rate at which the four main aflatoxins (aflatoxins B1, B2, G1 and G2) are able to cross the luminal membrane of the rat small intestine, a study about intestinal absorption kinetics of these mycotoxins has been made. In situ results obtained showed that the absorption of aflatoxins in rat small intestine is a very fast process that follows first-order kinetics, with an absorption rate constant (k a ) of 5.84±0.05 (aflatoxin B1), 4.06±0.09 (aflatoxin B2), 2.09±0.03 (aflatoxin G1) and 1.58±0.04 (aflatoxin G2) h−1, respectively.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00437049
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    A rapid HPLC assay for zearalenone in laboratory cultures ofFusarium graminearum (1993)
    Springer
    Mycopathologia 121 (1993), S. 27-32 
    Details
    ISSN: 1573-0832
    Keywords: Corn ; Fusarium graminearum ; HPLC ; Zearalenone
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract A high pressure liquid chromatographic (HPLC) method to determine zearalenone in corn contaminated withFusarium graminearum is described. After extraction with methanol-water and solvent partition, samples were cleaned up by applying the extract to a disposable silica cartridge and by eluting the toxin with a mixture of hexane/dry ethyl ether (5/5). Separation was achieved by a reverse phase μBondapak C18 column followed by fluorescence detection using an excitation wavelength at 274 nm and an emission wavelength at 440 nm. Detection limit was about 5 ng. Recoveries ranging from 85.37 to 100.97%, in standard solutions range 30–0.5 µg/ml, were found.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01103351
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Ultrafiltration of blood proteins by experimental polyamide membranes (1998)
    Springer
    Bioprocess engineering 19 (1998), S. 213-215 
    Details
    ISSN: 0178-515X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Process Engineering, Biotechnology, Nutrition Technology
    Notes: Abstract The most important proteins in animal blood as haemoglobin, bovine serum albumin and γ-globuline were filtered in experimental UF membranes. The membranes were prepared in our laboratory by the traditional phase inversion process using as polymer a new polyamide. These membranes were characterized by measuring their initial water fluxes, and after that the protein solutions were ultrafiltered. The flux decline and membrane fouling were studied in order to obtain the best operating conditions for a future pilot plant scale application.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s004490050508
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    Paper (German National Licenses)
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