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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:: AN ABSTRACT OF THE THESIS OF MARK W. KRUK for the degree of

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:: by Kathryn Miller for Stephen M. McKenzie ACKNOWLEDGMENTS I would like to thank Dr. Jong S. Lee

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:: AN ABSTRACT OF THE THESIS OF Stephen M. Vernon for the degree

Physicochemical Properties of Frozen Fish Muscle as Affected by Trimethylamine-N-oxide demethylase (TMAOase)

Creator:: Lee, Jinhwan
Abstract:: Gadoid fish, like Alaska pollock and Pacific whiting, have a high level of trimethylamine-N-oxide demethylase (TMAOase) that catalyzes the breakdown of trimethylamine-N-oxide (TMAO) to formaldehyde (FA) and dimethylamine (DMA) even during frozen storage. FA reacts with amino acid residues to promote covalent cross-links in the formation of inter- and intramolecular...
Resource Type:: Dissertation
Full Text:: ) JINHWAN LEE 2016

Heterotrophic bacteria associated with a feed algae for oyster larvae

Creator:: Johnson, Lynn I.
Abstract:: Aerobic heterotrophic bacteria associated with oyster larvae feed algae Isochrysis galbana, Monochrysis lutheri and Pseudoisochrysis paradoxa were isolated and enumerated. The bacterial numbers ranged from 7.8x10³ to 3.9x10⁶ CFU per ml. The bacteria associated with Pseudoisochrysis sp. were identified and the majority of isolates belonged to genera Leucothrix (51%). Also...
Resource Type:: Masters Thesis
Full Text:: ^^^^ T)r. Jdrig S. Lee f Aerobic heterotrophic bacteria associated with oyster larvae feed algae

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

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

ScholarsArchive@OSU

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

Characterization of Arthrobacter species isolated from marine and seafood sources

Nutritional and biochemical characterization of Moraxella species isolated from fishery sources

Physicochemical Properties of Frozen Fish Muscle as Affected by Trimethylamine-N-oxide demethylase (TMAOase)

Heterotrophic bacteria associated with a feed algae for oyster larvae

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

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

Inhibition of microbial growth in seafood by potassium sorbate

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