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Identification of some compounds contributing to the stale flavor defect of sterilized concentrated milk

Creator:: Arnold, Roy Gary
Abstract:: Stale flavor development has been recognized as a defect of stored dry milk powders for several years. Recently, stale flavor development has been found to occur upon storage of sterilized concentrated milk, and is recognized as the principal limiting factor to commercial utilization of this process (Seibert, 1963). Some attempts...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Roy Gary Arnold for the M

Chemistry of the flavor deterioration of sterilized concentrated milk

Creator:: Arnold, Roy Gary
Abstract:: Deterioration of the flavor of sterilized concentrated milk (SCM) is recognized as the principal limiting factor to commercial acceptance of this product. Although a number of volatile compounds have been identified in SCM, quantitative information on these compounds is lacking. It is therefore difficult to ascertain the significance of these...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE THESIS OF ROY GARY ARNOLD for the

Heat induced compounds in milk

Creator:: Scanlan, Richard A.
Abstract:: Milk, preheated at 82°C for 30 minutes, was heated to 146°C for four seconds (UHT-treated) and cooled to 5°C in a tubular heat exchanger. Immediately after heat treatment, 20 gallons of heated milk were vacuum distilled at 30°C in a semi-continuous, reduced pressure glass apparatus. Twenty gallons of non-heated milk...
Resource Type:: Dissertation
Full Text:: Philosophy June 1968 APPROVED: ■■^. r — j-^, ~^j^ ..JnTrT—^£^ Assistant Professor of Food

Inhibition of Pseudomonas species by hydrogen peroxide producing Lactobacilli

Creator:: Price, Robert James and Lee, J. S.
Abstract:: Eighty-one microbial species isolated from seafoods and other marine sources were examined to determine the extent of interactions among these species. Spot-plates, cross-plates, and concurrent growth experiments at 7, 15, 20, and 30 C indicated that Lactobacillus species were capable of inhibiting other microorganisms. Lactobacillus species isolated from oysters and...
Resource Type:: Capstone Project
Full Text:: . Effect of 178-182. coliform and Proteus bacteria on growth of Staphylococcus 22. Pinheiro, A. J. R., B

Comparative activity and partial characterization of cathepsins in three species of Pacific sole

Creator:: Geist, Gary Michael
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Gary Michael Geist for the Master

Aflatoxin B₁ metabolism by rainbow trout (Salmo gairdneri)

Creator:: Schoenhard, Grant Louis
Abstract:: Aflatoxins B₁, Q₁ and aflatoxicol, R [subscript o] F, but not B₂ were activated in the presence of NADPH by the 105,000 x g pellet from rainbow trout (Salmo gairdneri), Mt. Shasta strain, liver to products lethal to Bacillus subtilis GSY 1057 (metB4, hisAl, uvr-1). Electron microscopy confirmed the microsomal...
Resource Type:: Dissertation
Full Text:: ) Title: AFLATOXIN B METABOLISM BY RAINBOW TROUT (SALMO GAIRDNERI) ■-*' '' ■ J'SV ' J-' Jf

Plasma cholesterol levels, atherosclerosis and liver damage in rabbits fed cyclopropenoid fatty acids

Creator:: Ferguson, Thomas Lyle
Abstract:: In this five-week feeding study male New Zealand rabbits were fed diets containing cyclopropene fatty acids (CPFA), diets containing cholesterol, and diets with both CPFA and cholesterol added to test the effect of CPFA on cholesterol metabolism and atherosclerosis induction. When CPFA-fed animals were compared with control animals, they tended...
Resource Type:: Masters Thesis
Full Text:: FATTY ACIDS _^ _^ ^ , ^ ^ Abstract approved: ^ _^_^_ . D. J. Le^ f In this five

A comparison of porous polymers used in collecting organic volatiles in foods

Creator:: Boyko, Alayne Linda
Abstract:: Porapak Q, Chromosorb 102, and Tenax GC, three porous polymers commonly used as adsorbents in headspace analyses were investigated. The retention times of various low-boiling compounds relative to water were measured on the collection columns to determine which compounds would be lost during the water removal step employed after sampling...
Resource Type:: Masters Thesis
Full Text:: of MASTER OF SCIENCE in Food Science and Technology presented on (J/y^^y /' /?25

Drug resistance, source, and environmental factors that influence fecal coliform levels of Tillamook Bay

Creator:: Kelch, William James
Abstract:: In order to determine the source of bacteria in Tillamook Bay, Oregon, water samples were collected monthly for six months during the rainy season from October 1975 through March 1976 from the bay and its tributaries, the Kilchis, Trask, Tillamook, and Wilson Rivers. Fecal coliform levels of these samples were...
Resource Type:: Masters Thesis
Full Text:: information for the human population. Special thanks are extended to Gary Beyer of the Clough Rexall Drug

Microbial characterization of cassava (Manihot esculenta Crantz) fermentation

Creator:: Ngaba-Mbiakop, Pierre Rolland
Abstract:: Micro-organisms associated with gari, produced in Cameroun, Africa, by the traditional method and that produced in the laboratory, were isolated, identified, and screened for their abilities to produce gari flavor. Gari production, under the controlled conditions was attempted utilizing these isolates and the dairy starter cultures. Some of the volatiles...
Resource Type:: Masters Thesis
Full Text:: approved: I^F. J. S. Lee Micro-organisms associated with gari, produced in Cameroun, Africa, by

ScholarsArchive@OSU

Identification of some compounds contributing to the stale flavor defect of sterilized concentrated milk

Chemistry of the flavor deterioration of sterilized concentrated milk

Heat induced compounds in milk

Inhibition of Pseudomonas species by hydrogen peroxide producing Lactobacilli

Comparative activity and partial characterization of cathepsins in three species of Pacific sole

Aflatoxin B₁ metabolism by rainbow trout (Salmo gairdneri)

Plasma cholesterol levels, atherosclerosis and liver damage in rabbits fed cyclopropenoid fatty acids

A comparison of porous polymers used in collecting organic volatiles in foods

Drug resistance, source, and environmental factors that influence fecal coliform levels of Tillamook Bay

Microbial characterization of cassava (Manihot esculenta Crantz) fermentation

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