Index Catalog // ScholarsArchive@OSU

Surimi wash water treatment by chitosan-alginate complexes : effect of molecular weight and degree of deacetylation of chitosan and nutritional evaluation of solids recovered by the treatment

Creator:: Wibowo, Singgih
Abstract:: Soluble surimi wash water (SWW) proteins could be recovered using chitosan (Chi) complexed with alginate (Chi-Alg) generating co-products for feed formulations. Chi with a degree of deacetylation (DD) of 84% complexed with Alg at a mixing ratio (MR) of 0.2 was used to study Chi-Alg concentration and treatment time protein...
Resource Type:: Dissertation

Apple polyphenolics and their antioxidant properties : influence of cultivars, post-harvest storage, and 1-MCP treatment

Creator:: Widyasari, Maria Angela Artania
Abstract:: The distribution of total phenolics, antioxidant capacity, monomeric anthocyanin, and ascorbic acid contents in the peel and flesh of Red Delicious, Granny Smith, and Fuji apples during a six-month storage period were determined. In addition, the effect of 1-MCP (1-Methyl cyclopropene) on these parameters of the edible portion of apples...
Resource Type:: Masters Thesis

Recovery and utilization of catheptic proteases from surimi wash water

Creator:: DeWitt, Christina A. Mireles
Resource Type:: Dissertation

Characterization of phenolics in Marion and Evergreen blackberries

Creator:: Siriwoharn, Thanyaporn
Abstract:: Frozen Marion (Rubus sp. hyb) and Evergreen blackberries (Rubus laciniatus) (whole berries, berries without seeds, and seeds alone) were acetone/ chloroform extracted. Phenolics were isolated using C₁₈ cartridges and polyamide resins, then characterized and measured by reversed-phase HPLC/diode array spectral techniques. The Polyamide isolated fractions of Marion berries contained four...
Resource Type:: Masters Thesis

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

Bitterness modifying properties of hop polyphenols

Creator:: McLaughlin, Ian R.
Abstract:: This study examined whether polyphenols contribute a harsh bitterness to beer, and how polyphenols may otherwise modify beer bitterness in the presence of iso-a-acids. The experimental portions of this project were divided into effectively two segments. The first section of the study encompassed groundwork polyphenol extraction development, and the examination...
Resource Type:: Masters Thesis

Extraction and production of n-3 polyunsaturated fatty acid concentrate from Pacific sardines (Sardinops sagax)

Creator:: Okada, Tomoko
Abstract:: Intrinsic characteristics of Pacific sardines were determined. The lipid content in sardines was initially low (6.79%) in the beginning ofthe season, increased to 22.95% in mid-August, and decreased slightly by the end of September. An inverse correlation (R² = -0.90) was found between lipid and moisture content. Analysis showed that...
Resource Type:: Dissertation

Edible coatings to improve storability and enhance nutritional value of strawberries (Fragaria ananassa) and raspberries (Rubus ideaus)

Creator:: Han, Chunran
Abstract:: Strawberries {Fragaria ananasa) and raspberries {Rubus ideaus) are good sources ofmany important nutrients, and have great potential to improve human health. However, they are highly perishable and have a very short shelf-life mainly due to the attack of fungi and high respiration rate. Edible coatings, especially chitosan-based coatings have been...
Resource Type:: Masters Thesis

Characterization of the interaction between Mycobacterium avium subsp. paratuberculosis and bovine epithelial cells in culture and identification of invasion-associated genes by transposon mutagenesis

Creator:: Patel, Dilip
Abstract:: Mycobacterium avium subsp. paratuberculosis (MAP) is a cause of Johne's disease (JD) in cattle and other ruminants. MAP infection in the bovine host is not well characterized. It is assumed that crossing the bovine intestinal mucosa is important for MAP to establish infection. MAP's ability to infect bovine epithelial cells...
Resource Type:: Dissertation

Bacillus subtilis endospore coat protein solubilization methods for studying effects of high pressure precessing

Creator:: Gandhi, Kalpesh K.
Abstract:: Spores of foodborne pathogens such as Clostridium botulinum, Clostridium perfringens and Bacillus cereus are widely distributed in nature. Presence of those spores in food products, particularly C. botulinum spores in vacuum packed, ready-to-eat low-acid products, is a great safety concern. The research here described is a first effort towards understanding...
Resource Type:: Masters Thesis

ScholarsArchive@OSU

Surimi wash water treatment by chitosan-alginate complexes : effect of molecular weight and degree of deacetylation of chitosan and nutritional evaluation of solids recovered by the treatment

Apple polyphenolics and their antioxidant properties : influence of cultivars, post-harvest storage, and 1-MCP treatment

Recovery and utilization of catheptic proteases from surimi wash water

Characterization of phenolics in Marion and Evergreen blackberries

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

Bitterness modifying properties of hop polyphenols

Extraction and production of n-3 polyunsaturated fatty acid concentrate from Pacific sardines (Sardinops sagax)

Edible coatings to improve storability and enhance nutritional value of strawberries (Fragaria ananassa) and raspberries (Rubus ideaus)

Characterization of the interaction between Mycobacterium avium subsp. paratuberculosis and bovine epithelial cells in culture and identification of invasion-associated genes by transposon mutagenesis

Bacillus subtilis endospore coat protein solubilization methods for studying effects of high pressure precessing

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