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A simulation tool for evaluating sensory data analysis methods

Creator:: Naini, Shuo
Abstract:: In cross-cultural studies, respondents from specific cultures may have different product preferences and scale usage. Combining data from different cultures will result in departures from the basic assumptions of analysis of variance (ANOVA) and loss of power in testing capability of finding product and culture differences. However, the result of...
Resource Type:: Masters Thesis

An evaluation into the optimization and application of supercritical fluid extraction and the processing impact on the components in filtrated buttermilk powder

Creator:: Spence, Amy J.
Abstract:: The milk fat globule membrane, a major component in buttermilk, contains many complex lipids known to be involved in a variety of biological processes. Phospholipids, including sphingolipids, exhibit antioxidative, anticarcinogenic, and antiatherogenic properties and have essential roles in numerous cell functions. Filtration coupled with supercritical fluid extraction (SFE) may provide...
Resource Type:: Dissertation

Analytical approach to the quantitative analysis of silicon in plants : its application to plant silica extraction

Creator:: Boone, Carmen E.
Abstract:: The literature available on the silica content of herbaceous biomass, and its relative mobility in leaching/extraction systems, includes studies that have employed several different methods for silica quantification. This makes comparison of the data difficult. The objective of this thesis research was to determine the quantitative relationships between the measured...
Resource Type:: Masters Thesis

Antimicrobial effects of wine on enteric pathogens in a model stomach

Creator:: Just, Jessica R.
Abstract:: There have been several epidemiological studies linking alcohol consumption to a decreased risk of contracting illness from foodborne bacterial contamination. To study this phenomenon, we examined the survival of Escherichia coli 0157:H7 and Salmonella typhimurium in grape juice and wine and then designed a model stomach to investigate the effect...
Resource Type:: Masters Thesis

Antioxidant potential of yeast containing beer

Creator:: Morris, Edward E.
Abstract:: It has been suggested that cellular damage from oxygen radicals is one of the processes leading to cardio-vascular disease and cancer. Natural antioxidants prevent uncontrolled oxidative reactions by decreasing molecular oxygen levels, scavenging chain-initiating and chain-propagating free radicals, chelating metals, or decomposing peroxides. Beer is rich in antioxidants, derived both...
Resource Type:: Masters Thesis

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

Application of ozone as a disinfectant for commercially processed seafood

Creator:: Hansen, Jenny K.
Abstract:: Pacific oysters (Crassostrea gigas), Alaska pink salmon (Oncorynchus gorbuscha) roe and chum salmon (Oncorynchus keta) fillets were treated with aqueous ozone in both pilot plant and commercial settings to determine its effect on shelf-life and microbial changes. The microbial quality was analyzed by conducting pyschrotrophic and coliform plate counts on...
Resource Type:: Masters Thesis

Aroma comparison of 'Marion' (Rubus sp. L.) and 'Thornless Evergreen' (R. laciniatus L.) blackberries

Creator:: Klesk, Keith
Abstract:: 'Marion' and 'Thornless Evergreen' blackberry volatiles were analyzed by capillary gas chromatography-flame ionization detection (GC-FED) and GC-mass spectrometry (GC-MS). Based on total percentage of FID area 'Thornless Evergreen' contains significantly more alcohols, hydrocarbons, and phenols than the 'Marion'; 'Marion' contains more acids and esters. Both cultivars contained comparable amounts of...
Resource Type:: Dissertation

Aroma compounds in sweet dry whey

Creator:: Mahajan, Shilpa S.
Abstract:: The objective of this study was to identify aroma volatiles in sweet whey powder. Volatiles were isolated by solvent extraction and solvent assisted flavor evaporation. Fractionation was followed to separate acidic volatiles from nonacidic volatiles. Gas chromatography/olfactometry and gas chromatography-mass spectrometry were used for the identification ofaroma compounds. Osme methodology...
Resource Type:: Masters Thesis

Aroma investigation of ‘Marion’ and thornless blackberries in Pacific Northwest of America

Creator:: Du, Xiaofen
Abstract:: The objectives of this study are to 1) qualitatively and quantitatively measure the odor-active compounds in ‘Marion’ blackberry; 2) compare the aroma profiles of advanced selections and new cultivars of thornless blackberry cultivars with ‘Marion’; 3) study the development of furaneol in ‘Marion’ during ripening and; 4) investigate the distribution...
Resource Type:: Dissertation

ScholarsArchive@OSU

A simulation tool for evaluating sensory data analysis methods

An evaluation into the optimization and application of supercritical fluid extraction and the processing impact on the components in filtrated buttermilk powder

Analytical approach to the quantitative analysis of silicon in plants : its application to plant silica extraction

Antimicrobial effects of wine on enteric pathogens in a model stomach

Antioxidant potential of yeast containing beer

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

Application of ozone as a disinfectant for commercially processed seafood

Aroma comparison of 'Marion' (Rubus sp. L.) and 'Thornless Evergreen' (R. laciniatus L.) blackberries

Aroma compounds in sweet dry whey

Aroma investigation of ‘Marion’ and thornless blackberries in Pacific Northwest of America

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