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  • 1
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Journal of agricultural and food chemistry 17 (1969), S. 1113-1118 
    ISSN: 1520-5118
    Source: ACS Legacy Archives
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 33 (1968), 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 volatile alcohols in ripe bananas were identified in preparation for the study of their biosynthesis. The following 13 alcohols were identified by gas chromatography-mass spectrometry supported in some cases by IR spectral data: ethanol, propan-l-01, P-methylpropan-l-01, butan-l-01, pentan-2–01, 3-methylbutan-l-01, hexan-l-01, heptan-2–01, cis and tram hex-3-en-l-01, cis and traws hex-4-en-l-01, and cis pent-2-en-l-01 (tentative). 2-Methylbutan-l-01 was shown to be associated with 3-methylbutan-l-01 in a ratio of 1:200.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 31 (1966), 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 volatiles from stored unblanched frozen peas were shown to contain 12 carbonyl compounds: ethanal, propanal, hexanal, pent-2-enal, hex-2-enal, hept-2-enal, act-2-enal, non-2-enal, hept-2,4-dienal, non-2,4-dienal, dee-2,4-dienal and propan-2-one. Identifications were based on thin-layer partition chromatography and infrared, ultraviolet, and visible spectra of the 2,4-dinitrophenylhydrazones. The origin of these compounds and their probable effect on the flavor of stored and unblanched peas are discussed.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    International journal of food science & technology 26 (1991), S. 0 
    ISSN: 1365-2621
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Process Engineering, Biotechnology, Nutrition Technology
    Notes: The ethanolamine phospholipids of beef, lamb, pork and chicken examined in this study contained over 40% of ethanolamine plasmalogen, whereas fish contained only 13%. The level of choline plasmalogen in choline phospholipids was less than 1% in fish and ranged from 10 to 30% in the other four meats. Palmitaldehyde was the major fatty aldehyde in the choline plasmalogens of beef, lamb, pork and chicken (65–80% of total aldehydes), but was present at lower levels in the ethanolamine plasmalogens. The per cent fatty acid compositions of phosphatidylethanolamine and the corresponding ethanolamine plasmalogen were very similar, being typically low in palmitic acid but very high (56–74%) in polyunsaturated fatty acids. The fatty acids of the choline plasmalogens contained more polyunsaturated fatty acids than the corresponding phosphatidyl cholines, but at lower levels than in the fatty acids of the ethanolamine phospholipids.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    International journal of food science & technology 25 (1990), S. 0 
    ISSN: 1365-2621
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Process Engineering, Biotechnology, Nutrition Technology
    Notes: The effects of heating at 132°C on the fatty acids and fatty aldehydes of neutral lipids and phospholipids of lean beef, veal, lamb, pork and chicken were studied. Heating caused hydrolysis of the plasmalogens in the phospholipids, and varying amounts of the liberated fatty aldehydes were recovered in the neutral lipid fractions. Beef phosphatidyl choline lost more polyunsaturated fatty acids than that of the other meats. Beef and veal phosphatidyl ethanolamine lost more polyunsaturated fatty acid than that of lamb, pork or chicken, but the effect was obscured by the influx of fatty acids from elsewhere into this fraction after heating.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    International journal of food science & technology 24 (1989), S. 0 
    ISSN: 1365-2621
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Process Engineering, Biotechnology, Nutrition Technology
    Notes: Reactions involving phospholipids contribute considerably to the flavour and aroma of cooked meat. The effect of heat on the fatty acids and fatty aldehydes of phospholipids from veal was studied using aqueous model systems wherein extracted phospholipid fractions were heated in the presence or absence of ribose or glycine. After 1 h at 132°C, ethanolamine-containing phospholipids rapidly lost most of their component aldehydes but not their fatty acids, whereas choline-containing phospholipids lost their aldehydes much more slowly. In both cases, the presence of ribose or glycine had little effect on the loss of aldehydes. In the meat itself, after heating at 132°C, there was a 90% loss of aldehydes which was similar for both the ethanolamine- and choline-containing phospholipids, but the latter lost fatty acids more slowly than the former.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 33 (1968), 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: SUMMARY— The volatile alcohols of unblanched frozen green peas were separated from the total volatiles by chromatography on silica gel at 0°C and examined by combined gas chromatography-mass spectrometry and where possible by infrared spectroscopy. Thirteen saturated and nine unsaturated alcohols were positively identified: methanol, ethanol, propan-l-01, butan-1-01, butan-2-01, 2-methylpropan-l-01, pen-tan-l-01, pentan-3-01, P-methylbutan-1-01, 3-methylbutan-l-01, hexan-l-01, heptan-l-01, octan-l-01, pent-l-en-3-01, cis and trens pent-2-en-l-01, cis and trans hex-3-en-l-01, trans hept-2-en-l-01, trans act-2-en-l-01, act-1-en-3-01 and cis non-3-en-l-01. Several other alcohols were also present and, of these, trans hex-2-en-l-01, cis and trans hept-3-en-l-01 and nonan-l-01 were tentatively identified.The interconnecting system between gas chromatograph and mass spectrometer permitted the collection, for IR analysis, of material from the identical gas chromatographic peak on which the mass spectrum was obtained.
    Type of Medium: Electronic Resource
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