Index Catalog // ScholarsArchive@OSU

Rapid assay for Bacillus proteinases in raw milk as detected by a simple casein denaturation method

Creator:: Feijoo, Sergio C.
Abstract:: A casein agar diffusion method was developed to detect and quantify pertinent levels of proteinases produced in raw milk supplies by heat resistant Bacillus sporeformers. In order to optimize the required heat treatment conditions of raw milk samples, trials that involved a combination of different temperatures and times were evaluated....
Resource Type:: Masters Thesis
Full Text:: by Sergio C. Feijoo A THESIS submitted to Oregon State University in partial fulfillment of

Experimental and mathematical procedures for the estimation of shelf-life : application to temperature-abused chilled seafood

Creator:: Almonacid-Merino, Sergio Felipe
Abstract:: The validation and potential use of mathematical models to estimate the shelf-life of refrigerated food exposed to temperature abuse and basing such estimations on microbial growth was analyzed. Combined heat transfer, microbial growth models, and non-parametric statistical procedures formed a computer-based predictive tool to assess shelf-life and estimate the accuracy...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Sergio Felipe Almonacid-Merino

Addressing sodium reduction and pathogen internalization in non-intact whole muscle beef : evaluation of dehydrated collagen and hydrostatic pressure as impact technologies

Creator:: Lowder, Austin Cole
Abstract:: These studies focused on maximizing the nutrition and safety of raw whole muscle beef while minimizing quality and shelf-life alteration. The first study used response surface methodology to predict fluid loss from injected beef strip loins and steaks as influenced by levels of salt and sodium phosphates (SP) in the...
Resource Type:: Dissertation
Full Text:: : ____________________________________________________________________ Christina A. Mireles DeWitt These studies focused on maximizing the nutrition and safety of

Effect of molecular conformation on the surface properties of polyelectrolyte solutions : xanthan gum model studies

Creator:: Young, San Land
Abstract:: A commercially important polyelectrolyte, xanthan, was chosen for a systematic analysis of the relationship between molecular conformation and surface properties. In the first study the effects of ionic strength, xanthan concentration and temperature on the xanthan molecular conformation were investigated by potentiometric titration. The effects of the same factors and...
Resource Type:: Masters Thesis
Full Text:: Abstract approved: J T J. Antonio Torres A commercially important polyelectrolyte, xanthan, was chosen

Characterization of Vibrio parahaemolyticus isolated from Oregon and Washington coastal water and development of improved methods for Vibrio parahaemolyticus detection

Creator:: Duan, Jingyun
Abstract:: Distribution of Vibrio parahaemolyticus in Oregon and Washington oystergrowing areas was studied between November 2002 and October 2003. V. parahaemolyticus was detected in 14.3% of oyster, 23.0% of seawater, and 44.4% of sediment samples with very low levels (≤7.4 MPN/g) of pathogenic strains being detected in oysters. Occurrence of V....
Resource Type:: Dissertation
Full Text:: Washington. A newly developed chromogenic medium (Bio-Chrome Vibrio medium, BCVM) was compared with

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

A maturity trial study of Pinot noir wines : aroma profile by sniffing gas chromatographic effluent

Creator:: Miranda-Lopez, Rita
Abstract:: The quality of wine is highly influenced by the weather. Temperature, solar radiation and humidity influence the formation and concentration of aroma-active compounds and aroma-active precursors in the grapes. Pinot noir grapes require a slow ripening, under cool temperatures, in order to achieve their fullest flavor. The main objective of...
Resource Type:: Masters Thesis
Full Text:: of Master of Science in Food Science and Technology presented on December 7. 1990. Title: A

Optimization and computer control of batch retort process operations : conduction-heated foods

Creator:: Simpson-Rivera, Ricardo Jose
Resource Type:: Masters Thesis
Full Text:: profiles to those feasible without retort modifications. A transient heat energy balance was developed to

Characterization of Spoilage Events on Flavored Milk Products by Paenibacillus odorifer

Creator:: Torres, Alejandro
Abstract:: Flavored milk is a growing category for dairy products; however, it is a perishable product that is subject to microbial spoilage which can lead to a negative consumer experience and lead to lost sales. Flavored milk processors communicated unique spoilage events related to their products, including color loss of strawberry...
Resource Type:: Masters Thesis
Full Text:: : ______________________________________________________ Joy Waite-Cusic Flavored milk is a growing category for dairy products; however, it is a

Mercury levels in albacore tuna (Thunnus alalunga) and the effects of canning

Creator:: Rasmussen, Rosalee S.
Abstract:: Mercury is a toxic heavy metal released into the environment from both natural and anthropogenic sources. The organic form of mercury is a potent neurotoxin that is especially dangerous to developing nervous systems. Results of recent studies have caused the Food and Drug Administration (FDA) and the Environmental Protection Agency...
Resource Type:: Masters Thesis
Full Text:: . Morrissey Mercury is a toxic heavy metal released into the environment from both natural and anthropogenic

ScholarsArchive@OSU

Rapid assay for Bacillus proteinases in raw milk as detected by a simple casein denaturation method

Experimental and mathematical procedures for the estimation of shelf-life : application to temperature-abused chilled seafood

Addressing sodium reduction and pathogen internalization in non-intact whole muscle beef : evaluation of dehydrated collagen and hydrostatic pressure as impact technologies

Effect of molecular conformation on the surface properties of polyelectrolyte solutions : xanthan gum model studies

Characterization of Vibrio parahaemolyticus isolated from Oregon and Washington coastal water and development of improved methods for Vibrio parahaemolyticus detection

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

A maturity trial study of Pinot noir wines : aroma profile by sniffing gas chromatographic effluent

Optimization and computer control of batch retort process operations : conduction-heated foods

Characterization of Spoilage Events on Flavored Milk Products by Paenibacillus odorifer

Mercury levels in albacore tuna (Thunnus alalunga) and the effects of canning

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