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Filtering by: Creator Dickmann, F. H. J. Remove constraint Creator: Dickmann, F. H. J. Academic Affiliation Food Science and Technology Remove constraint Academic Affiliation: Food Science and Technology

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  • Extraction of lentil proteins and their use in supplementation of bread

    Creator:
    Idris, Nor Aini
    Abstract:
    The purpose of this study was to extract proteins from lentils for use in bread making to improve nutritional quality of bread. Three solvents, distilled water, 0.7 M NaCl and 0.05 M NaOH solutions, were used for extraction. Extractions were done at an alkaline pH near 10 for 30 min....
    Resource Type:
    Masters Thesis
    Full Text:
    pleasant one. Appreciation is extended to Dr. Allen F. Anglemier, Dr. Paul H. Krumperman, Dr. Donald L

  • Characterization of substrate-velocity relationships for the cellulase enzyme complex from Trichoderma viride

    Creator:
    Liaw, Ean-Tun
    Abstract:
    The influence of substrate and enzyme concentration on the rate of saccharification of two defined, insoluble, cellulose substrates, Avicel and Solka-Floc, by the cellulase enzyme system of Trichoderma viride has been evaluated. Assays utilized enzyme concentrations ranging from 0.014 to 0.056 filter paper unit per mL and substrate concentrations up...
    Resource Type:
    Masters Thesis
    Full Text:
    Complex from Trichoderma viride. Abstract approved: , . _ .. ... rr —.—^=— ^ ^ Michael H

  • The effect of prerigor electrical stimulation pH decline, protein solubility and water holding capacity in beef muscles

    Creator:
    Elkhalifa, Elamin Abdalla
    Abstract:
    This study was designed to investigate the rate of pH decline, changes in protein solubility and in the water-holding capacity (WHC) of beef muscles subjected to pre-rigor electrical stimulation. Samples for the experiment were obtained from animals slaughtered at the Meat Science Laboratory, Oregon State University. Nine good quality steers...
    Resource Type:
    Masters Thesis
    Full Text:
    CAPACITY IN BEEF MUSCLES Abstract approved: — "T? Dr. A. F.^Angle Dr. A. F.^Anglemier This study was

  • Utilization of lignocellulosic polysaccharides

    Creator:
    Fenske, John J.
    Abstract:
    Lignocellulosic biomass represents a vast supply of fermentable carbohydrates and functional aromatic compounds. Conversion of lignocellulosics to ethanol and other useful products would be of widespread economical and environmental benefit. Better understanding of the behavior of different lignicellulosic feedstocks in fermentation protocols as well as catalytic activities involved in lignocellulosic...
    Resource Type:
    Dissertation
    Full Text:
    . John J. Fenske, Author Acknowledgements Professor Michael H. Penner has earned my deepest respect

  • Quantitative polysaccharide analysis of lignocellulosic biomass

    Creator:
    Fenske, John J.
    Abstract:
    Lignocellulosic biomass is a potential source of fermentable sugars such as glucose. Enzymatic hydrolysis of cellulose is a viable method of solubilizing the glucose from biomass, but the cellulose fraction of native lignocellulosic material is shielded from enzymatic attack by the lignin-hemicellulose matrix surrounding it. Pretreating lignocellulosic biomass with dilute...
    Resource Type:
    Masters Thesis
    Full Text:
    Polysaccharide Analysis of Lignocellulosic Biomass Abstract approved: ,. ^ , Michael H. Penner

  • Lipid-protein interactions : autoxidation studies involving freeze-dried methyl linolenate-gelatin foams

    Creator:
    Wehr, H. Michael and Sinnhuber, Russell O.
    Abstract:
    Studies involving freeze-dried methyl linolenate-gelatin foams indicate that the extent of lipid-protein interaction corresponds to the degree of autoxidation of the lipid fraction. It appears that approximately 11% of the malonaldehyde as defined by the 2-thiobarbituric acid test is firmly bound to the protein. The induction period of autoxidation is...
    Resource Type:
    Capstone Project
    Full Text:
    ‘F’ .2 _. J. ,5; '5" " ,_ 'nlple-rroteln lntereotlons 20 Keskinel, A., Ayres, J.C., and Snyder, H

  • Human bitterness detection thresholds of hop acids in beer and honey

    Creator:
    Kolpin, Kathryn M.
    Abstract:
    Alpha acids are found in the lupulin glands of hops cones. These acids have no bitterness of their own, but can be isomerized and subsequently hydrogenated to form bitter iso-α-acids and tetrahydroiso-α-acids respectively. Current literature values for the detection thresholds of iso-α-acid and tetrahydroiso-α-acid in lager beer have been reported...
    Resource Type:
    Masters Thesis
    Full Text:
    said to have correctly detected the signal “x” times, and the noise “f,” “g,” and “h” times. Thus

  • Microbial stability of fresh cut pineapple and pineapple juice pasteurized by step-pulsed and static ultra high pressure treatments

    Creator:
    Aleman-Ordonez, Giovanna Dominick
    Abstract:
    Static ultra-high pressure (200, 270, and 340 MPa) and sinusoidal and step-pressure (0-270 MPa) pulses were compared by determining their effects on bacteria and yeast survival counts. Samples were commercial pineapple chunks used as is and fresh cut pineapple and pineapple juice inoculated with Saccharomyces cerevisiae 2407-1a. Surviving bacteria and...
    Resource Type:
    Masters Thesis
    Full Text:
    Ultra High Pressure Treatments Abstract approved: _ -r "7—y v \ J. Antonio ToiVes FoiVe s? —f

  • Wheat flour arabinoxylans in soft wheat end-use quality

    Creator:
    Asawaprecha, Sunida
    Abstract:
    Little is known about the effects of arabinoxylans (AX) on noodle quality. The aim of this study was to observe interrelationships between wheat flour AX, SRC tests, and noodle quality attributes, and to investigate the use of SRCs to predict cookie diameter. Cookie diameter is the most common index of...
    Resource Type:
    Masters Thesis
    Full Text:
    part of this project. Thank you to my graduate committee, Dr. Michael H. Penner, Dr. C. James

  • An investigation of the effects of nutritional status on the action of insulin in rainbow trout (Salmo gairdneri)

    Creator:
    Ablett, Richard F.
    Abstract:
    Three studies were conducted to evaluate the relationship between insulin and nutritional parameters in rainbow trout. In the first study effects on growth parameters and tissue composition of rainbow trout were investigated following injection of bovine insulin at two dose levels every 48 hr for 56 days. In addition, [¹⁴C]-leucine...
    Resource Type:
    Dissertation
    Full Text:
    AN ABSTRACT OF THE THESIS OF Richard F. Ablett for the degree