Index Catalog // ScholarsArchive@OSU

The influence of mold contamination, processing and maturity on the volatiles of the strawberry, Fragaria ananassa Duch.

Creator:: Amos, James Franklin
Abstract:: The effects of mold level (Botrytis cinerea), processing method (fresh, individually quick frozen (IQF), frozen sugared sliced (FSS), freeze dried (FD), canned, and preserves), and maturity (underripe, normal, and overripe) and strawberry volatiles were analyzed by gas liquid chromatography (GLC) using on-column entrainment of headspace volatiles in aqueous extracts. Computerized...
Resource Type:: Dissertation
Full Text:: James Franklin Amos A THESIS submitted to Oregon State University in partial fulfillment of the

The determination of n-nitrosoproline in cured meats

Creator:: Ivey, Francis James
Abstract:: A method is described for the determination of N-nitrosoproline (NOPRO) in cured meat products. NOPRO was extracted with ethyl acetate from a slurry of cured meat and water after the addition of ammonium sulfamate and acid. This nitrosamino acid was converted to the methyl ester and after further purification, it...
Resource Type:: Dissertation

Synthesis of the 2, 3, 3a, 8a-tetrahydro-2-hydroxy-furo [2, 3-b]benzofuran ring system, an aflatoxin moiety

Creator:: Jones, David James
Abstract:: A new method for the preparation of the 2, 3, 3a,8a-tetrahydro-2-hydroxyfuro[2, 3-b] benzofuran, XXX, ring system has been developed. The synthesis envolved a substitution reaction of phenol, XXIV, with 1-bromo-2, 5-hexadiene, XXV, to give 2, 5-hexadien-l -yl phenyl ether, XXVII. The ether was rearranged via an ortho-Claisen rearrangement to 3-(o-hydroxyphenyl)-l,...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF DAVID JAMES JONES for the

Accumulation of dietary polychlorinated biphenyl by rainbow trout (Salmo gairdneri)

Creator:: Lieb, Andrew James
Abstract:: This study was conducted to investigate the accumulation of dietary polychlorinated biphenyls (PCB's) by a Mt. Shasta strain of rainbow trout (Salmo gairdneri). A commercial mixture of PCB's (Aroclor 1254) was added to the diet at a level of 15 ppm on a dry weight basis. Accumulation of PCB's was...
Resource Type:: Masters Thesis
Full Text:: Andrew James Lieb A THESIS submitted to Oregon State University in partial fulfillment of the

Metabolism of 14C-sterculic acid in rats and rainbow trout (Salmo gairdneri)

Creator:: Yoss, James Kenneth
Abstract:: Cyclopropenoid fatty acids cause several physiological disorders in rainbow trout and rats. Rainbow trout appear to be more sensitive than rats to the effects of cyclopropenoid fatty acids. Carbon-14 labeled sterculic acid with label in the methylene position of the cyclopropene ring was injected into the stomach of rats and...
Resource Type:: Dissertation
Full Text:: Rats and Rainbow Trout (Salmo gairdneri) by James Kenneth Yoss A THESIS submitted to Oregon

Influence of post-mortem aging upon some chemical characteristics of tropomyosin preparations from bovine skeletal muscle

Creator:: Dewey, James Edward
Resource Type:: Dissertation
Full Text:: Preparations from Bovine Skeletal Muscle by James Edward Dewey A THESIS submitted to Oregon State

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:: Coliform Levels of Tillamook Bay by William James Kelch . A THESIS submitted to Oregon State

Measurement of dimethylamine and trimethylamine in Dungeness crab, Cancer magister

Creator:: Gulan, Michael Peter
Abstract:: A rapid gas liquid chromatographic method was adapted to processed Dungeness crab for the determination of basic and neutral volatiles. Methylamine, dimethylamine, and trimethylamine were measured in processed Dungeness crab for the first time. Generally, the range for trimethylamine was 42 ppm for frozen crab to 700 ppm for iced...
Resource Type:: Masters Thesis
Full Text:: fish. Journal of the Science of Food and Agriculture 10:431-436. James, A. T. , A. J. P. Martin

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:: " Title: A COMPARISON OF POROUS POLYMERS USED IN COL- LECTING ORGANIC VOLATILES IN, FOODS Abstract

The use of L-Aspartyl-L-phenylalanine methyl ester (Aspartame) as a sweetening agent in orange sherbet

Creator:: McPherson, Barbara Ann
Abstract:: The objective of this investigation was to develop an acceptable aspartame sweetened orange sherbet which might offer significant caloric reduction and cost advantages, and hence be applicable to commercial production. A control sherbet, with a preference level equal to a commercially available orange sherbet was used as the reference. An...
Resource Type:: Masters Thesis
Full Text:: METHYL ESTER (ASPARTAME) AS A SWEETENING AGENT IN ORANGE SHERBET Abstract approved: i 'Mrs

ScholarsArchive@OSU

The influence of mold contamination, processing and maturity on the volatiles of the strawberry, Fragaria ananassa Duch.

The determination of n-nitrosoproline in cured meats

Synthesis of the 2, 3, 3a, 8a-tetrahydro-2-hydroxy-furo [2, 3-b]benzofuran ring system, an aflatoxin moiety

Accumulation of dietary polychlorinated biphenyl by rainbow trout (Salmo gairdneri)

Metabolism of 14C-sterculic acid in rats and rainbow trout (Salmo gairdneri)

Influence of post-mortem aging upon some chemical characteristics of tropomyosin preparations from bovine skeletal muscle

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

Measurement of dimethylamine and trimethylamine in Dungeness crab, Cancer magister

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

The use of L-Aspartyl-L-phenylalanine methyl ester (Aspartame) as a sweetening agent in orange sherbet

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