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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
Full Text:: : / ~TT Jong S. Lee Forty Arthrobacter species isolated from Pacific and Atlantic fishery sources were

Inhibition of Escherichia coli trimethylamine-N-oxide reductase by food preservatives

Creator:: Kruk, Mark W.
Abstract:: Trimethylamine-N-oxide (TMA-0) reductase activity of resting cells of Escherichia coli was inhibited by tetrasodium ethylenediaminetetraacetate (Na₄EDTA), benzoic acid (BA), and methylparaben (MP). The 50% inhibitory concentrations of Na₄EDTA, BA, and MP were 20.2, 1.2, and 32.4 mM, respectively. BA at pH 6.5 or below most effectively inhibited the TMA-0 reductase....
Resource Type:: Masters Thesis
Full Text:: . Lee Trimethylamine-N-oxide (TMA-0) reductase activity of resting cells of Escherichia coli was

Adhesive property of bacteria and its relationship to microbial spoilage of shrimp

Creator:: Smith, John B.
Abstract:: Pacific shrimp (Pandalus jordani) was washed repeatedly and the eluted bacteria were enumerated and identified. Selected isolates were tested for their adhesive properties. Washing reduced the microbial load by 3.84 to 42.04%. The bacteria which most resisted wash-off were Staphylococcus and Pseudomonas spp. The easiest to wash off was Flavobacterium...
Resource Type:: Masters Thesis
Full Text:: . Jong S. Lee Pacific shrimp (Pandalus jordani) was washed repeatedly and the eluted bacteria were

Inhibition of microbial growth in seafood by potassium sorbate

Creator:: Chung, Yuh-mei
Resource Type:: Masters Thesis
Full Text:: —-— -■ = Dr. Jong S. Lee The effect of potassium sorbate on microbial growth in seafood was tested by

Microorganisms isolated from sand filtered bay water and the proteolytic activity of a flavobacterium isolate

Creator:: Canhos, Vanderlei Perez
Resource Type:: Dissertation
Full Text:: . Lee for his guidance; to Dr. Wolfgang Reichardt for his many helpful suggestions; to Dr. Morris W

Microbial characterization of cassava (Manihot esculenta Crantz) fermentation

Creator:: Ngaba-Mbiakop, Pierre Rolland
Abstract:: Micro-organisms associated with gari, produced in Cameroun, Africa, by the traditional method and that produced in the laboratory, were isolated, identified, and screened for their abilities to produce gari flavor. Gari production, under the controlled conditions was attempted utilizing these isolates and the dairy starter cultures. Some of the volatiles...
Resource Type:: Masters Thesis
Full Text:: approved: I^F. J. S. Lee Micro-organisms associated with gari, produced in Cameroun, Africa, by

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:: Computer Center for his assis- tance with computer problems. Finally, Dr. Jong Lee has served as a

Nutritional and biochemical characterization of Moraxella species isolated from fishery sources

Creator:: Vernon, Stephen M.
Abstract:: One hundred and fourteen strains of Moraxella species isolated from marine fishery sources were investigated to determine the cause of this organism's predominance in seafood. The nutritional requirements, effect of pH, NaCl concentration, and temperature on growth, utilization of carbohydrates, protein, and lipid, resistance to 12 antibiotics, sensitivity to phenethyl...
Resource Type:: Masters Thesis
Full Text:: : Dr. Jong S. Lee One hundred and fourteen strains of Moraxella species isolated from marine

Effect of polyphosphate on microbial characteristics of seafoods

Creator:: Petchsing, Urairatana
Abstract:: Effect of 6.0% polyphosphate treatment on microbial growth and composition of microbial flora of three representative seafoods were investigated. Polyphosphate treatment washed off microorganisms by 1 log in peeled shrimp (10⁷ to 10⁶ and 10⁶ to 10⁵) and cooked crab meat (10⁶ to 10⁵) and by 2 logs in red...
Resource Type:: Masters Thesis
Full Text:: POLYPHOSPHATE ON MICRQBIAL CHARACTERISTICS OF SEAFOODS i Abstract approved: Dr. Jong S. Lee Effect of

Preservation of dover sole by low-dose radiation and antimicrobial agents

Creator:: Shiflett, Maureen Adele
Abstract:: The storage life at 43°F of ground dover sole fillets (Microstomas pacificus) was determined microbiologically after treatment with ionizing radiation and antimicrobial agents. Sodium benzoate, potassium sorbate and the sodium salts of the methyl and propyl esters of parahydroxybenzoic acid (MPB and PPB) all approximately doubled the refrigerated storage life...
Resource Type:: Masters Thesis
Full Text:: express my sincere gratitude to Dr. Jong S. Lee for his constant encouragement and guidance. I

ScholarsArchive@OSU

Characterization of Arthrobacter species isolated from marine and seafood sources

Inhibition of Escherichia coli trimethylamine-N-oxide reductase by food preservatives

Adhesive property of bacteria and its relationship to microbial spoilage of shrimp

Inhibition of microbial growth in seafood by potassium sorbate

Microorganisms isolated from sand filtered bay water and the proteolytic activity of a flavobacterium isolate

Microbial characterization of cassava (Manihot esculenta Crantz) fermentation

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

Nutritional and biochemical characterization of Moraxella species isolated from fishery sources

Effect of polyphosphate on microbial characteristics of seafoods

Preservation of dover sole by low-dose radiation and antimicrobial agents

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