Index Catalog // ScholarsArchive@OSU

Procedures for the efficient washing of minced hake (Merluccius productus) flesh for surimi production

Creator:: Pacheco Aguilar, Ramon
Abstract:: Means of reducing the quantity of water required for the washing unit operation in surimi processing were evaluated. The yield of flesh mechanically dewatered with a screw press and the degree of reduction in trimethylamine oxide (TMAO) content were used as indices of washing efficiency. Variations in water:minced flesh ratio,...
Resource Type:: Masters Thesis
Full Text:: Ramon Pacheco Aguilar A THESIS submitted to Oregon State University in partial fulfillment of

The stability of pelargonidin-based anthocyanins in natural and model systems

Creator:: Garzon, G. Astrid
Abstract:: Pelargonidin 3-glucoside (pgd 3-glu), pelargonidin 3-sophoroside (pgd 3-soph), and pelargonidin 3-sophoroside 5-glucoside acylated with cinnamic and malonic acids (acyl-pgd 3-soph 5-glu) were extracted from strawberries (Fragaria anannassa cv, Totem), nasturtium flowers (Tropaeolum majus), and radish peel (Raphanus sativus L. cv, fuego), respectively. Their stability was studied in natural and model...
Resource Type:: Dissertation
Full Text:: collection of Oregon State University libraries. My signature below authorizes release of my thesis to any

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:: collection of the Oregon State University libraries. My signature below authorizes release of my

Factors Affecting the Efficacy of Depuration for Decreasing Vibrio parahaemolyticus Contamination in Pacific Oysters (Crassostrea gigas)

Creator:: Hou, Yishu
Abstract:: Vibrio parahaemolyticus is a foodborne pathogen recognized as the leading cause of acute gastroenteritis associated with consumption of raw and undercooked seafood, particularly raw oysters, with major symptoms of nausea, vomiting, abdominal cramps and diarrhea. It is estimated that 45,000 cases of V. parahaemolyticus infection occur each year in the...
Resource Type:: Masters Thesis
Full Text:: Graduate School I understand that my thesis will become part of the permanent collection of Oregon State

Refrigerated seawater depuration for reducing Vibrio parahaemolyticus contamination in raw Pacific oysters (Crassostrea gigas)

Creator:: Yang, Qianru
Abstract:: Vibrio parahaemolyticus is a seafood-borne pathogen that can cause gastroenteritis in humans. This study investigated the effectiveness of refrigerated seawater (5°C) depuration on reducing V. parahaemolyticus in raw Pacific oysters (Crassostrea gigas). Raw Pacific oysters were inoculated with a mixed culture of five clinical strains of V. parahaemolyticus and depurated...
Resource Type:: Masters Thesis
Full Text:: will become part of the permanent collection of Oregon State University libraries. My signature below

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:: OREGON STATE UNIVERSITY in partial fulfillmerit of the requirements for the degree of MASTER OF

The effect of cultivar maturity and frozen storage time on the cell wall polysaccharide composition of muskmelon(Cucumis melo)

Creator:: Simandjuntak, Valencius
Abstract:: The effect of frozen storage time on the composition of the cell wall polysaccharide (CWP) of muskmelon (Cucumis melo) cultivars at different stages of maturity was investigated. Changes in composition, firmness, drip loss, and color of Cantaloupe and Honey Dew melon flesh were determined at three stages of maturity and...
Resource Type:: Masters Thesis
Full Text:: Simandjuntak A THESIS submitted to Oregon State University in partial fulfillment of the requirements

The nature of hydrative changes and cationic shifts in the over-tenderization of beef muscle resulting from irradiation

Creator:: El-Badawi, Ahmed Adel Ismail
Abstract:: The over-tenderization of irradiated-sterilized meat is one of the more important adverse effects resulting from the use of irradiation for the preservation of meat. Although research has been reported on the activity and effect of the inherent proteolytic enzymes of irradiated meat, very little work has been directed toward the...
Resource Type:: Dissertation
Full Text:: AHMED ADEL ISMAIL EL-BADAWI A THESIS submitted to OREGON STATE UNIVERSITY in partial

Physicochemical and microbiological characteristics of surimi seafood under thermal and E-beam processing

Creator:: Jaczynski, Jacek
Abstract:: Effects of thermal and electron beam (e-beam) processing on microbial inactivation and physichochemical properties of surimi and surimi seafood were investigated. Thermal-death-time (TDT) concept was used to model Staphylococcus aureus inactivation by heat and e-beam. Gurney-Lurie charts were used to estimate temperature during thermal processing of surimi seafood. Dose mapping...
Resource Type:: Dissertation
Full Text:: Jacek Jaczynski A DISSERTATION submitted to Oregon State University in partial fulfillment of

Extending shelf-life of fresh-cut pears

Creator:: Dong, Xiaoling
Abstract:: Different concentrations of various browning inhibitors and a firming agent were evaluated to prevent browning and softening of Bartlett, Bosc and Anjou pear slices during cold storage at 2-4°C. Browning inhibition effect of Semperfresh, Snow Fresh and cysteine were compared with that of 4-hexylresorcinol (4-HR). The effect of ripeness on...
Resource Type:: Masters Thesis
Full Text:: submitted to Oregon State University in partial fulfillment of the requirement for the Degree of

ScholarsArchive@OSU

Procedures for the efficient washing of minced hake (Merluccius productus) flesh for surimi production

The stability of pelargonidin-based anthocyanins in natural and model systems

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

Factors Affecting the Efficacy of Depuration for Decreasing Vibrio parahaemolyticus Contamination in Pacific Oysters (Crassostrea gigas)

Refrigerated seawater depuration for reducing Vibrio parahaemolyticus contamination in raw Pacific oysters (Crassostrea gigas)

Radiation pasteurization of raw and chlortetracycline-treated shrimp

The effect of cultivar maturity and frozen storage time on the cell wall polysaccharide composition of muskmelon(Cucumis melo)

The nature of hydrative changes and cationic shifts in the over-tenderization of beef muscle resulting from irradiation

Physicochemical and microbiological characteristics of surimi seafood under thermal and E-beam processing

Extending shelf-life of fresh-cut pears

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