Index Catalog // ScholarsArchive@OSU

Solvent desorption dynamic headspace analysis of dairy product aroma compounds

Creator:: Rankin, Scott A.
Abstract:: A method for the assessment of volatile compounds in dairy products was developed using solvent desorption dynamic headspace sampling. The method was first applied to assay for diacetyl and acetoin in buttermilk. Major buttermilk volatiles recovered included diacetyl, acetic acid, and acetoin. Normalized detector responses were linear over the range...
Resource Type:: Dissertation
Full Text:: accomodating my many requests. Special thanks goes to my graduate advisor, Floyd W. Bodyfelt, and his

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:: approved: w „ ^ \^ Floyd W. BodjtMt A casein agar diffusion method was developed to detect

DNA transformation of Saprolegnia parasitica, an Omega-3 fatty acid producing fungus, with the β-galactosidase gene of kluyveromyces lactics

Creator:: Beattie, Samuel E.
Resource Type:: Dissertation
Full Text:: -galactosidase Gene of Kluuveromuces lactis. Abstract approved: Floyd-W. Bodyfel/ /^ There is evidence

Consumer and descriptive panel analysis of commercial yogurts

Creator:: Barnes, Debbie L.
Abstract:: A consumer and a trained descriptive panel was utilized to determine liking ratings and flavor profiles, respectively, for commercial brands of pre-stirred yogurt. Once the consumer and descriptive panel data was collected, the data was combined to determine the interrelationship of these two sets of data and to determine the...
Resource Type:: Masters Thesis
Full Text:: for the yogurt research of which this thesis is a part. Floyd W. Bodyfelt, as faculty member and

Time-temperature effects on Cheddar cheese ripening : an interpretation of microbial, chemical and sensory changes

Creator:: Bouzas, Jorge
Resource Type:: Dissertation
Full Text:: . Christopher Biermann, Floyd Body felt, Mark Daeschel, Shawn Mehlenbacher, and,^lichael Penner for serving as

A study of nisin resistance in Listeria monocytogenes Scott A

Creator:: Ming, Xintian
Abstract:: Eight foodborne pathogenic and spoilage Gram-positive bacteria were evaluated for their spontaneous resistance frequencies to the peptide antimicrobial nisin. In brain heart infusion (BHI) medium, nisin resistance frequencies were in the range of l06 to l08 when exposed to nisin at concentrations 2 to 4 times the minimal inhibitory concentrations....
Resource Type:: Dissertation
Full Text:: in O. S. U. I have had a wonderful and rewarding experience in your Lab. To Professor Floyd W

Effect of selected lactic acid bacteria on the growth of food-borne pathogens and spoilage microorganisms in raw milk and milk products

Creator:: Al-Zoreky, Nageb
Abstract:: Several lactic acid bacteria (LAB) of the Lactococcus, Lactobacillus, Leuconostoc and Pediococcus genera were screened for inhibition of food-borne pathogens and spoilage microorganisms in raw milk and dairy products. Listeria monocytogenes was killed by Lactococcus lactis subsp. lactis and Pediococcus pentosaceus due to their production of bacteriocin-type inhibitors. Staphylococcus aureus...
Resource Type:: Dissertation
Full Text:: Department of Food Scienqe and Technology ■ *w*» *^<f~ | wv^ Dean of the Graduata School

A study of antimutagenicity in yogurt

Creator:: Sudarshan, Nadathur R.
Abstract:: The purpose of this study was to identify antimutagens in yogurt active against the experimental colon carcinogen, N-methyl-N'-nitro-N-nitrosoguanidine (MNNG). Our initial experiments showed that acetone extracts of yogurt, or milk fermented by various lactic acid bacteria were antimutagenic against MNNG and 3,2'-dimethyl-4-aminobiphenyl (DMAB) in the Ames test (Salmonella typhimurium TA...
Resource Type:: Dissertation
Full Text:: of my thesis committee, Drs. William Sandine, David Williams, Michael Penner, and Floyd Bodyfelt

Good farm equipment sanitation means better milk quality tests

Creator:: Gamroth, Michael J., Bodyfelt, F. W. (Floyd W.), 1937-, and Oregon State University. Extension Service
Abstract:: Bacteria use milk nutrients that remain on your dairy equipment to grow and multiply between milkings. The most important step in reaching top milk quality is to remove all milk residues (or “soil”) after each milking.
Resource Type:: Technical Report
Full Text:: boost the temperature Michael Gamroth, Extension dairy specialist, and Floyd W. Bodyfelt, Extension

So you own a cow ... now what? [1993]

Creator:: Adams, H. P. (Holyoke Purinton), 1922-, Bodyfelt, F. W. (Floyd W.), 1937-, Gamroth, Michael J., and Oregon State University. Extension Service
Abstract:: Published May 1993. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Resource Type:: Technical Report
Full Text:: ) Does not circulate W So You Own a Cow. . . Now What? H. P. Adams, F. Bodyfelt, and M. Gamroth

ScholarsArchive@OSU

Solvent desorption dynamic headspace analysis of dairy product aroma compounds

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

DNA transformation of Saprolegnia parasitica, an Omega-3 fatty acid producing fungus, with the β-galactosidase gene of kluyveromyces lactics

Consumer and descriptive panel analysis of commercial yogurts

Time-temperature effects on Cheddar cheese ripening : an interpretation of microbial, chemical and sensory changes

A study of nisin resistance in Listeria monocytogenes Scott A

Effect of selected lactic acid bacteria on the growth of food-borne pathogens and spoilage microorganisms in raw milk and milk products

A study of antimutagenicity in yogurt

Good farm equipment sanitation means better milk quality tests

So you own a cow ... now what? [1993]

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