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  • 1
    Electronic Resource
    Electronic Resource
    A collaborative study of methods of protein evaluation: introductory paper (1989)
    Springer
    Plant foods for human nutrition 39 (1989), S. 3-11 
    Details
    ISSN: 1573-9104
    Keywords: protein quality ; amino acids ; digestibility ; bioavailability ; rats ; in vitro enzyme assays
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract The USDA's collaborative study of methods of protein quality evaluation is introduced. It was intended primarily to provide a basis for the evaluation of possibly improved procedures for the labelling of foods as a source of dietary protein. In general, the usefulness of in vitro digestibility procedures has been confirmed, but problems remained for the in vitro evaluation of heat-damaged materials and of some types of pinto beans.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01092396
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Bioavailability of tryptophan in selected foods by rat growth assay (1989)
    Springer
    Plant foods for human nutrition 39 (1989), S. 85-91 
    Details
    ISSN: 1573-9104
    Keywords: protein quality ; amino acids ; rats ; bioavailability
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract Tryptophan bioavailabilities were estimated in 16 protein sources using 10 day rat growth assays with casein as the reference protein. Growth responses of rats fed test food diets were compared to growth responses of rats fed basal diets with graded levels of tryptophan ranging from 50 to 100 mg of tryptophan/100 g diet. Estimates of tryptophan availabilities were 85–100% for all products except whole wheat cereal (73%) and pinto beans (59%). Results of a previous study on lysine availability indicated that poor response to pinto beans was due either to poor digestibility or to the presence of some unidentified growth inhibitor.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01092405
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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