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  • 1
    Electronic Resource
    Electronic Resource
    Perception of mealiness in apples: a comparison of consumers and trained assessors (1998)
    Springer
    Zeitschrift für Lebensmittel-Untersuchung und -Forschung 207 (1998), S. 304-310 
    Details
    ISSN: 1431-4630
    Keywords: Key words Apple mealiness ; Sensory perception ; Consumers ; Repertory Grid method ; Generalized Procrustes analysis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Process Engineering, Biotechnology, Nutrition Technology
    Notes: Abstract   The Repertory Grid method was used to aid consumers in developing a vocabulary to describe the sensory characteristics perceived from samples of three varieties of apples (Cox, Jonagold and Boskoop) from three different harvest dates each (early, middle, and late harvest). The aims of this work were to study whether consumers perceived different degrees of mealiness and to compare the perceptual spaces of samples obtained from consumer data and from conventional profiling with a trained panel, using Generalized Procrustes analysis. The relative positions of samples were similar for the consumers and the trained assessors' consensus spaces but the latter resulted in a better separation of samples. Boskoop samples were perceived as more acid, astringent, crispy and hard while the Cox variety was described as sweeter and more floury. Jonagold samples were perceived as juicier and occupied an intermediate position, with the mealy Jonagold sample closer to the Cox samples. The agreement between sample spaces showed that both panels perceived the major differences between samples in a similar way but the trained panel was able to differentiate further, mainly between the texture characteristics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002170050337
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    A Monte Carlo simulation of the depolymerization of linear homopolymers by endo-enzymes exhibiting random-attack probability and single-attack mechanism: Application to the (1→3),(1→4)-β-D-glucan/endo-(1→3),(1→4)-β-D-glucanase system (1998)
    New York, NY [u.a.] : Wiley-Blackwell
    Biotechnology and Bioengineering 60 (1998), S. 105-113 
    Details
    ISSN: 0006-3592
    Keywords: Monte Carlo simulation ; depolymerization ; endo-enzymes ; single-attack mechanism ; Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: A Monte Carlo simulation of the depolymerization of linear homopolymers by specific endo-enzymes exhibiting random-attack probability and a single-attack mechanism has been developed. The program simulates the “real” depolymerization versus time of a polydisperse sample of substrate by a specific endo-enzyme. Given the initial mass distribution and concentration of the substrate, the initial concentration of the enzyme, and its Michaelis-Menten constant, the program simulates the evolution of the mass distribution of the substrate with the depolymerization time. When tested against experimental data from the depolymerization of barley (1→3),(1→4)-β-D-glucan by malt endo-(1→3),(1→4)-β-D-glucanase, monitored using the Calcofluor-FIA method with fluorescent detection, excellent results were obtained. © 1998 John Wiley & Sons, Inc. Biotechnol Bioeng 60: 105-113, 1998.
    Additional Material: 8 Ill.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
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