Index Catalog // ScholarsArchive@OSU

An evaluation of blackberry harvest sanitation and the ability of foodborne pathogens to survive in blackberry products

Creator:: Sales, Melissa M.
Abstract:: Blackberries, genus Rubus, are an important Oregon agricultural commodity. In their fresh and processed forms, they offer many health benefits and may be able to help Americans better achieve fruit consumption recommendations because of convenience and pleasant sensory qualities. However, the susceptibility of blackberry products to contamination with bacterial pathogens...
Resource Type:: Masters Thesis
Full Text:: Foodborne Pathogens to Survive in Blackberry Products by Melissa M. Sales A THESIS

Effect of whey concentrate crystallization parameters on lactose crystal forms

Creator:: Nonnemacher, Melissa L.
Abstract:: Effects of whey concentrate crystallization parameters of temperature, pH, and length of time of crystallization on lactose crystal forms and amount of lactose crystallized were investigated. Effect of crystallization parameters on freeze-dried powder quality was also investigated. Lactose crystal forms were observed in x-ray crystal diffraction patterns of freeze-dried whey...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Melissa L. Nonnemacher for the

Project description: the impacts of aging and military service on olfactory and taste function

Creator:: Wong, Melissa H. W.
Abstract:: This is a short project description of the study "The impacts of aging and military service on olfactory and taste function."
Resource Type:: Other
Full Text:: War II generation. Given that a significant portion of men in this cohort served in the military

Determination of dimethylamine in barley malt

Creator:: Yoo, Lee-joung
Abstract:: Dimethylamine (DMA), in addition to the alkaloids hordenine and gramine, has been suggested as a potential precursor of nitrosodimethylamine (NDMA) in malt. Analytical procedures were adopted and applied to extract and quantify DMA from malt, green malt, malt roots and raw barley. Ground malt was extracted at room temperature with...
Resource Type:: Masters Thesis
Full Text:: in Barl ey Malt by Lee-Joung Yoo A THESIS submitted to Oregon State University in partial

Identification and quantitation of 3-hydroxy-N-nitrosopyrrolidine in fried bacon and fried-out fat

Creator:: Lee, Jae-sung
Abstract:: The formation of 3-hydroxy-N-nitrosopyrrolidine from decarboxylation of 4-hydroxy-N-nitrosoproline was demonstrated in model heating system designed to simulate the conditions of frying bacon. The identification of the nitrosamine was achieved by comparison of its TLC R [subscript f] value, gas chromatographic retention time, and mass spectral fragmentation pattern with those of...
Resource Type:: Dissertation
Full Text:: - nitrosopyrrolidine in Fried Bacon and Fried-out Fat by Jae-Sung Lee A THESIS submitted to Oregon State

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:: proposed classification scheme (Lee and Pfeifer, 1975). A large percentage of the organisms, however

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

Creator:: Canhos, Vanderlei Perez
Resource Type:: Dissertation
Full Text:: enzyme produced was an extracellular serine protease, with a mw of 25,000- 30,000. This protease

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:: Lee A DISSERTATION submitted to Oregon State University

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:: : MICROBIAL CHARACTERIZATION OF CASSAVA (MANIHOT ESCULENTA CRANTZ) FERMENTATION : ^a _^___—_____ Abstract

Microbial flora of Pacific oysters (Crassostrea gigas) subjected to UV-irradiated seawater

Creator:: Vasconcelos, George Joseph
Abstract:: The microbial composition of Pacific oysters (Crassostrea gigas) subjected to UV-treated seawater was determined by quantitative and qualitative means. A total of 2,779 microorganisms were identified from seawater and oysters during a 72 hour sampling period employing a computer assisted replica-plating technique. UV treatment effectively eliminated coliforms and Pseudomonas Type...
Resource Type:: Masters Thesis
Full Text:: UV-IRRADIATED SEAWATER __!i ;: n Abstract approved: _ _ r. J. S. Lee The microbial

ScholarsArchive@OSU

An evaluation of blackberry harvest sanitation and the ability of foodborne pathogens to survive in blackberry products

Effect of whey concentrate crystallization parameters on lactose crystal forms

Project description: the impacts of aging and military service on olfactory and taste function

Determination of dimethylamine in barley malt

Identification and quantitation of 3-hydroxy-N-nitrosopyrrolidine in fried bacon and fried-out fat

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

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

Microbial characterization of cassava (Manihot esculenta Crantz) fermentation

Microbial flora of Pacific oysters (Crassostrea gigas) subjected to UV-irradiated seawater

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