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  • 1985-1989  (5)
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Year
  • 1
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 50 (1985), 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: Meitauza, an indigenous Chinese food made from fermented okara (soymilk residue), was used as a model system for monitoring solid substrate fermentations. The Instron Universal Testing machine and Chatillon hand operated force gauge were used to measure the force to penetrate meitauza as an estimation of mycelial binding. Increased firmness during fermentation was caused by fungal growth and not by water loss and surface crusting. Puncture force readings with the Instron were werll correlated (r = 0.86) with Chatillon measurements. The results of this study indicate that textural measurements using puncture force may have valuable application in monitoring the degree of mycelial growth or fermentation in a solid substrate.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    World journal of microbiology and biotechnology 5 (1989), S. 379-382 
    ISSN: 1573-0972
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Description / Table of Contents: Résumé On développe un procédé à contacts multiples par contrecourant pour lixivier l'acide citrique de la purée de pommes fermentée parAspergillus niger en milieu solide. L'acétone se révèle être le solvent le plus efficace parmi différents solvents examinés car il donne les quantités les plus élevées d'acide citrique dans le lixiviat et une efficacité d'extraction de 90%.
    Notes: Summary A multiple contact countercurrent process was developed for leaching citric acid from apple pomace fermented withAspergillus niger in solid-state culture. Acetone was found to be the most efficient among the different solvents examined as it yielded the greatest amount of citric acid in the leachate and gave an extraction efficiency of 90%.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    World journal of microbiology and biotechnology 1 (1985), S. 103-106 
    ISSN: 1573-0972
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Description / Table of Contents: Résumé La chaleur dégagée au cours de la fermentation en milieu solide de la pulpe de pomme pour la production d'éthanol a été mesurée à l'aide d'un système adiabatique. Le taux moyen du dégagement thermique est de 669 cal (2.8 kJ)/kg/h. La quantité totale de chaleur produite est de 12.4 kcal (52.1 kJ)/kg de pulpe fermentée.
    Abstract: Resumen Se ha medido mediante un sistema adiabático la evolución del calor en la fermentación etanólica de orujos de manzana secos. La media del incremento de calor en el sistema fue de 669 cal (2.8 kJ)/kg/h. El calor total generado en el proceso fue de 12.4 kcal (52.1kJ) por kilo de orujos fermentado.
    Notes: Summary The heat evolution in the solid state fermentation of apple pomace to produce ethanol was measured by means of an adiabatic system. The average rate of heat evolution in the fermentation system was 669 cal (2.8 kJ)/kg/h. The total amount of heat generated was 12.4 kcal (52.1 kJ)/kg of apple pomace fermented.
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    World journal of microbiology and biotechnology 2 (1986), S. 283-287 
    ISSN: 1573-0972
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Description / Table of Contents: Résumé Le procédé de fermentation en milieu solide qui est décrit est déstiné à la production d'acide citrique à partir du marc de pommes parAspergillus niger NRRL 567. Les rendements en acide citrique varient suivant les variétés de pommes et dépendent: (1) de la quantité de méthanol présente dans le marc, et (2) du temps de fermentation et de la température. On peut obtenir jusqu'à 90 g d'acide citrique par kg de marc de pommes fermenté, en présence de 3 à 4% de méthanol, à 30°C et en 5 jours.
    Abstract: Resumen Se describe un proceso de fermentación en estado sólido para la producción de ácido cítrico a partir de residuos de manzana, utilizandoAspergillus niger NRRL 567. La producción de ácido cítrico varió con el tipo de residuo utilizado y dependió de (1) la cantidad de metanol presente en los residuos y (2) del tiempo y la temperatura del proceso. La fermentación puede producir hasta 90 g de ácido cítrico/kg de residuo de manzana, fermentado en presencia de 3–4% de metanol a 30°C de temperatura durante 5 días.
    Notes: Summary A solid state fermentation process is described for the production of citric acid from apple pomace byAspergillus niger NRRL 567. The yields of citric acid varied with the pomace varieties, and were dependent on (1) the amount of methanol present in the pomace, and (2) the fermentation time and temperature. The process yielded as much as 90 g citric acid/kg apple pomace fermented in the presence of 3–4% methanol at 30°C in five days.
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    World journal of microbiology and biotechnology 5 (1989), S. 109-113 
    ISSN: 1573-0972
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Description / Table of Contents: Résumé La croissance mycélienne deGeotrichum candidum a été inhibée à plus de 90% dans le milieu liquide de Sabouraud contenant le NaHCO3 ou le KHCO3 à des concentrations aussi faibles que 0.1%. Le bicarbonate peut ainsi avoir un usage potentiel comme inhibiteur microbien dans divers systèmes nutritifs.
    Notes: Summary In a Sabouraud liquid medium system with NaHCO3 or KHCO3 at as low as 0.1% (w/v), the mycelial growth ofGeotrichum candidum was inhibited by greater than 90%. Bicarbonate may have a potential use as a microbial inhibitor in a variety of food systems.
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