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  • 1960-1964  (4)
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Year
  • 1
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 26 (1961), 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: A method is presented for gas chromatographic identification of the chain length and structure of methyl esters of lower-molecular-weight fatty acids. The chemical identity of the “cheese-like” off-odor of sauerkraut was established. Abnormally high concentrations of n-propionic, n-butyric, and n-caproic acids were found in samples of kraut that had been graded low because of this off-odor defect. A very poor sample that had been discarded, contained isobu-tyric and isovaleric acids in addition to n-propionic, n-butyric, n-valeric, and n-caproic acids. In this sample, n-butyric acid was found in the largest concentration—103 ppm.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 26 (1961), 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: Changes taking place in the fatty acids of the lipid material of the edible pea were investigated. Peas were held 1 year in storage at –17.8°C in the raw and enzyme-inactivated condition, to determine changes taking place in the fatty acids. Under these conditions, all of the several fatty acids in the phospholipid fraction showed large losses in the raw as contrasted with the enzyme-inactivated samples. At the same time the neutral fats in the same sample showed losses for all the unsaturated fatty acids in the raw when contrasted with those extracted from the enzyme-inactivated material. The fatty acids in the neutral fat and the free fatty acids of the raw material showed a net gain in the total quantity of palmitic acid. It seems possible that this increase came from the three unsaturated C18 acids.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 26 (1961), 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 fatty acids in the extracted crude lipid of spinach were studied to determine changes during storage at -17.8°C in the blanched and untreated condition. It was further determined that the total free fatty acids increased in the unblanched samples during storage. Palmitic acid increased during storage, whereas the longer-chain fatty acids, particularly linolenic acid, decreased. A fatty acid containing 17 carbon atoms, n-heptadecanoic acid, was present in fair quantity.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 187 (1960), S. 689-689 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] An 'Aerograph' gas chromatographic instrument, model .4-100, was employed for the fractionation of the methyl esters of the fatty acids. The stainless steel column, £ in. outer diameter and 10 ft. long, was packed with 'Chromasorb', 60-80 mesh (Johns-Manville, Celite Division, New York), ...
    Type of Medium: Electronic Resource
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