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    Requirements for Coordination of Instrumental and Sensory Techniques

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    Correlations between sensory and instrumental techniques are discussed in terms of specific requirements. Empirical correlations may not reflect a valid relation between the measured sensory property and the objective technique. A cause-effect relationship between instrumental and sensory measurements is much more difficult to establish, and the requirements for such a relationship depend on the particular problem. No simple set of rules can insure success in relating these two types of measurement. A series of examples illustrating the requirements for coordinating GLC and sensory measurements on Delicious apple essence are given.


    sensory, evaluation, odors, chemical analysis, gas chromatography, threshold

    Author Information:

    Guadagni, DG
    Head, Argicultural Research Service, U.S. Department of Agriculture, Albany, Calif.

    Committee/Subcommittee: E18.02

    DOI: 10.1520/STP34104S