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Filtering by: Subject Dairy products -- Contamination Remove constraint Subject: Dairy products -- Contamination Degree Field Food Science Remove constraint Degree Field: Food Science

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  • Actaldehyde production and utilization by lactic cultures

    Creator:
    Keenan, Thomas William
    Abstract:
    Acetaldehyde is known to be responsible for the green or yogurt-like flavor defect of lactic cultures. This study was undertaken to extend the knowledge of acetaldehyde production and utilization by microorganisms normally found in mixed-strain butter cultures. It is anticipated that the resulting information will contribute to a more thorough...
    Resource Type:
    Masters Thesis
    Full Text:
    end- product of homofermentative lactic streptococci. Pure lactic acid is odorless and non

  • Quantitative gas chromatographic analysis of synthetic dairy culture flavors

    Creator:
    Walradt, John Pierce
    Abstract:
    The development of synthetic culture flavors for use in dairy products such as sour cream, cottage cheese, butter, and buttermilk has created the need for a rapid quantitative analysis for the synthetic flavor concentrates. An internal standard gas chromatographic method has been developed which is capable of +10% accuracy for...
    Resource Type:
    Masters Thesis
    Full Text:
    ) Title: QUANTITATIVE GAS CHROMATOGRAPHIC ANALYSIS OF SYNTHETIC DAIRY CULTURE FLAVORS Abstract

  • Flavor chemistry of butter culture

    Creator:
    Lindsay, Robert C.
    Abstract:
    Numerous investigations have been made on the contribution of butter cultures to the flavor of cultured cream butter, but production of uniform cultured cream butter has not been possible in industry. Therefore, it was desirable to investigate in detail the qualitative and quantitative chemistry of the flavor of high quality...
    Resource Type:
    Dissertation
    Full Text:
    interpreting the mass spectra. Thanks is due the American Dairy Association for providing financial support

  • Flavor chemistry of blue cheese

    Creator:
    Anderson, Dale Fredrick
    Abstract:
    Numerous attempts have been made to identify the flavor compounds in Blue cheese, however, duplication of Blue cheese flavor has not yet been accomplished. Therefore, it was desirable to make a qualitative and quantitative investigation of Blue cheese flavor compounds and to study the effect of certain microorganisms on Blue...
    Resource Type:
    Dissertation
    Full Text:
    flavor chemistry research, namely, to be able to control flavor in a food product. In the case of

  • Flavor chemistry of Swiss cheese

    Creator:
    Langler, James Edward
    Abstract:
    The unique flavor of high quality Swiss cheese is difficult to reproduce in commercial market cheese. Swiss cheese flavor has never been duplicated or thoroughly understood. New techniques and advances in flavor research have enabled better definition and understanding of food flavors. Therefore, it was desirable to make a detailed...
    Resource Type:
    Dissertation
    Full Text:
    are due the Kraft Foods Division of National Dairy Products Corporation for their liberal gift of

  • The role of ethanol and certain ethyl esters in the fruity flavor defect of Cheddar cheese

    Creator:
    Bills, Donald D.
    Abstract:
    During the course of ripening, Cheddar cheese frequently develops a flavor defect described as fruity. Recent work has indicated that the use of certain starter cultures ultimately results in the development of the defect as the cheese ages. The flavor compounds responsible for the defect, however, have not been elaborated....
    Resource Type:
    Dissertation
    Full Text:
    high-quality product are often dif- ficult to control and incompletely understood. Consequently