Index Catalog // ScholarsArchive@OSU

Radiation pasteurization of raw and chlortetracycline-treated shrimp

Creator:: Awad, Ahmed Ali
Abstract:: Pasteurization radiation offers a new means of extending the refrigerated storage life of foods. This procedure avoids many of the undesirable changes which result when sterilization radiation is used and still eliminates most of the spoilage organisms. Shrimp was treated with 5 ppm chlortetracycline and subjected to pasteurization levels of...
Resource Type:: Masters Thesis
Full Text:: presented January 28, 1963 Typed by Muriel Davis ACKNOWLEDGMENTS The author wishes to

Lactic streptococci and the fruity flavor defect of cheddar cheese

Creator:: Bodyfelt, F. W.
Abstract:: The tendency for certain single- and mixed-strain lactic starter cultures to develop a fruity and/or fermented off-flavor in ripening Cheddar cheese was traced to certain strains of Streptococcus lactis in the starter. A very intense fruity and/or fermented flavor developed in experimental cheeses when one particular S. lactis strain was...
Resource Type:: Masters Thesis
Full Text:: my wife, Eva, and our children, for their patience and understanding during the course of this

Biological preparation of ¹⁴C labeled aflatoxin

Creator:: Schoenhard, Grant Louis
Abstract:: Selected parameters that affect crude toxin production in both primary culture (growing cell culture) and resting culture were examined during efforts to produce sufficient crude toxin for purification. The parameters included carbohydrate and label source and concentration, cell concentration, incubation time and temperature and shaker speed. A higher yield of...
Resource Type:: Masters Thesis
Full Text:: Diener and Davis (51) summarized the species of Aspergillus, Penicillium and Rhizopus reported to

Polyphenol oxidase of D'Anjou pears (Pyrus communis L.)

Creator:: Halim, David Husien
Abstract:: Stability, substrate and inhibitor specificity and electrophoretic properties of a crude polyphenol oxidase (PPO) preparation extracted from d'Anjou pears (Pyrus communis L.) were investigated. Levels of polyvinylpyrrolidone and pH of buffer for extraction were found to affect the specific activity of the extracted enzyme. An extract prepared with 1.5 g...
Resource Type:: Masters Thesis
Full Text:: >-diphenolic compounds to determine the substrate specificity of Royal Ann cherries and indi- cated that

Drug resistance, source, and environmental factors that influence fecal coliform levels of Tillamook Bay

Creator:: Kelch, William James
Abstract:: In order to determine the source of bacteria in Tillamook Bay, Oregon, water samples were collected monthly for six months during the rainy season from October 1975 through March 1976 from the bay and its tributaries, the Kilchis, Trask, Tillamook, and Wilson Rivers. Fecal coliform levels of these samples were...
Resource Type:: Masters Thesis
Full Text:: MANUFACTURER Chloramphenicol (Cm) Chloromycetin kapseals Parke-Davis Streptomycin (Sm) Streptomycin Sulfate

Inhibition of microbial growth in seafood by potassium sorbate

Creator:: Chung, Yuh-mei
Resource Type:: Masters Thesis
Full Text:: broth Davis (MBD), a basal medium that contained only glucose and a mixture of inorganic salts, the

Characterization of Arthrobacter species isolated from marine and seafood sources

Creator:: McKenzie, Stephen M.
Abstract:: Forty Arthrobacter species isolated from Pacific and Atlantic fishery sources were examined to determine their significance in seafood. All strains were able to utilize inorganic nitrogen as the sole nitrogen source and grew in the absence of vitamins or growth factors. In addition, 78% grew on a medium containing only...
Resource Type:: Masters Thesis

Methods of extraction and characterization of polyphenol oxidase from d'Anjou pears (Pyrus Communis L.)

Creator:: Smith, Denise Myrtle
Abstract:: Using phenolic scavengers different methods were examined to determine the optimum conditions for extracting polyphenol oxidase (PPO) from d'Anjou pears. Efficiency of the extraction was evaluated based on browning of the extract, PPO activity per g of pear tissue, absorption scan of 410 nm to -240 nm, and the isozyme...
Resource Type:: Masters Thesis
Full Text:: principles described by Davis (1964) and Williams and Reisfeld (1964). The actual procedure used was

Influence of fish on the bioavailability of plant iron in the anemic rat

Creator:: Chao, Lucia Sy-Jing Lo
Resource Type:: Masters Thesis

Induction of hepatic microsomal enzymes in rainbow trout by dietary aroclor 1254 and the effect of cyclopropene fatty acids

Creator:: Voss, Sherri Denise
Abstract:: A dietary level of Aroclor 1254 (100 ppm) was fed to rainbow trout (Salmo gairdneri) for 15 weeks to determine the effects on hepatic microsomal enzyme induction. Fish were also fed combined polychlorinated biphenyl (PCB) (100 ppm) and cyclopropene fatty acids (CPFA) (50 ppm) to determine the effects on mixed...
Resource Type:: Masters Thesis
Full Text:: for certain industrial uses (Nadeau and Davis, 1976). Originally used in transformers, as heat

ScholarsArchive@OSU

Radiation pasteurization of raw and chlortetracycline-treated shrimp

Lactic streptococci and the fruity flavor defect of cheddar cheese

Biological preparation of ¹⁴C labeled aflatoxin

Polyphenol oxidase of D'Anjou pears (Pyrus communis L.)

Drug resistance, source, and environmental factors that influence fecal coliform levels of Tillamook Bay

Inhibition of microbial growth in seafood by potassium sorbate

Characterization of Arthrobacter species isolated from marine and seafood sources

Methods of extraction and characterization of polyphenol oxidase from d'Anjou pears (Pyrus Communis L.)

Influence of fish on the bioavailability of plant iron in the anemic rat

Induction of hepatic microsomal enzymes in rainbow trout by dietary aroclor 1254 and the effect of cyclopropene fatty acids

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