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  1. Article: Development of shelf-stable processed mushrooms using heat-irradiation combination treatments. 2. The influence of heat-irradiation processing on the survival of inoculated spores of Clostridium sporogenes in mushrooms

    Minnaar, A / De Bruyn, I.N / McGill, A.E.J

    Lebensmittel - Wissenschaft + Technologie = Food science + technology. 1992. v. 25 (2)

    1992  

    Keywords mushrooms ; food processing ; heat treatment ; food irradiation ; Clostridium sporogenes ; spores ; mortality
    Language English
    Size p. 173-177.
    Document type Article
    ZDB-ID 241369-3
    ISSN 0460-1173 ; 0023-6438
    ISSN 0460-1173 ; 0023-6438
    Database NAL-Catalogue (AGRICOLA)

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  2. Article: Glucose metabolism by Lactobacillus divergens.

    De Bruyn, I N / Holzapfel, W H / Visser, L / Louw, A I

    Journal of general microbiology

    1988  Volume 134, Issue 8, Page(s) 2103–2109

    Abstract: Earlier studies on the fermentation of D-[1-14C]- and D-[3,4-14C]glucose by Lactobacillus divergens showed that lactate was the major fermentation product and that it was probably produced by glycolysis. It was therefore recommend that L. divergens be ... ...

    Abstract Earlier studies on the fermentation of D-[1-14C]- and D-[3,4-14C]glucose by Lactobacillus divergens showed that lactate was the major fermentation product and that it was probably produced by glycolysis. It was therefore recommend that L. divergens be reclassified as a homofermentative organism. In the present investigation, products of D-[1-14C]-,D-[2-14C]- and D-[3,4-14C]glucose fermented by L. divergens were isolated, and their specific radioactivities and the distribution patterns of radioactivity in their C-atoms were determined. The positional labelling patterns of the fermentation products, their specific radioactivities and their concentrations confirmed that glucose is degraded via the glycolytic pathway. Some secondary decarboxylation/dissimilation of pyruvate to acetate, formate and CO2 was also observed. These results provide conclusive proof that L. divergens is indeed a homofermentative organism. Results obtained with D-[U-14C]glucose showed that approximately three-quarters of the lactate but less than 10% each of the formate and acetate were produced from glucose. The remainder was presumably derived to a varying degree from endogenous non-glucose sources such as fructose and/or amino acids.
    MeSH term(s) Acetates/metabolism ; Fermentation ; Glucose/metabolism ; Lactates/metabolism ; Lactic Acid ; Lactobacillus/metabolism
    Chemical Substances Acetates ; Lactates ; Lactic Acid (33X04XA5AT) ; Glucose (IY9XDZ35W2)
    Language English
    Publishing date 1988-08
    Publishing country England
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 3083-1
    ISSN 0022-1287
    ISSN 0022-1287
    DOI 10.1099/00221287-134-8-2103
    Database MEDical Literature Analysis and Retrieval System OnLINE

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