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  • 1
    Electronic Resource
    Electronic Resource
    Naturwissenschaftliche und technologische Aspekte eines mechanisch-chemischen Strohaufschlußverfahrens (1987)
    Berlin : Wiley-Blackwell
    Acta Biotechnologica 7 (1987), S. 135-145 
    Details
    ISSN: 0138-4988
    Keywords: Life Sciences ; Life Sciences (general)
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Process Engineering, Biotechnology, Nutrition Technology
    Notes: To enhance the digestibility of wheat straw as an animal feedstock a partial delignification by action of 1percnt; aqueous alkali in combination with mechanical pre- and after-treatment steps is proposed. On the basis of in vitro digestibility by cellulase the influence of various process parameters on the effect obtained is summarized. Sheep feeding studies comparing original and chemomechanically pretreated straw confirm the suitability of the process-principle proposed for upgrading cereal straw. The practical feasibility of the process is considered with regard to animal nutrition and technology.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/abio.370070208
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Naturwissenschaftliche Aspekte eines diffusiven Strohaufschusses mit verdünnter Alkalilauge (1988)
    Berlin : Wiley-Blackwell
    Acta Biotechnologica 8 (1988), S. 535-551 
    Details
    ISSN: 0138-4988
    Keywords: Life Sciences ; Life Sciences (general)
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Process Engineering, Biotechnology, Nutrition Technology
    Notes: Changes in chemical composition and morphology of wheat straw during a 5-step treatment with delute aqueous sodium hydroxide of increasing (step 1 to 3) and then decreasing (step 4 and 5) NaOH concentration are described varying straw pretreatment, maximum NaOH concentration and total time of contact between straw and lye. These structural changes are correlated to increase in swelling, in-vitro degradability by cellulase and digestibility as revealed by feeding tests with sheep. Results are discussed on the basis of the processes of swelling, delignification and pentosan extraction, and the technological advantages of this multi-step treatment for enhancing the nutritional value of straw are discussed in comparison to a one-step treatment with subsequent lye-removal by pressing.
    Additional Material: 7 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/abio.370080615
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
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