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Influence of free fatty acids on sweet cream butter flavor

Creator:: McDaniel, Mina R., Sather, Lois A., and Lindsay, R. C.
Abstract:: A threshold pattern for the even-numbered free fatty acids (FFA) in butter depended on chain-length. Butyric acid had the lowest total average flavor threshold (AFT) of the more volatile FFA, and the total AFT values increased as chain-length increased through hexanoic and octanoic acids. A soapy after-taste predominated at and...
Resource Type:: Capstone Project
Full Text:: M. R. MCDANIEL,“ L. A. SATHER and R. C. LINDSAY Department

Qualitative evaluation of the proteolytic activity in the muscle of Pacific whiting (Merluccius productus)

Creator:: Erickson, Marilyn C.
Abstract:: The proteolytic enzymes in the muscle fluid of Pacific whiting (Merluccius productus) were studied and compared to those found in muscle fluid of true cod (Gadus macrocephalus). Preliminary studies indicated three pH optima of activity for whiting, pH 3.5-3.9, 4.3-4.6 and 7.1-7.2. Only two pH optima were found for the...
Resource Type:: Masters Thesis
Full Text:: the National Oceanic and Atmospheric Institutional Sea Grant R/PD33. TABLE OF CONTENTS Page

Sensory, microbiological, chemical, and rheological properties of reduced sodium Cheddar cheese

Creator:: Schroeder, Carla L.
Abstract:: The effect of reducing sodium chloride in Cheddar cheese was studied. Milled curd from a split-lot was salted at selected NaCl concentrations and analyzed through aging by sensory and rheological tests. Estimation of differences in compositional analysis, lactic acid populations, degree of proteolysis, water activity, and pH were also determined....
Resource Type:: Masters Thesis
Full Text:: successful completion of this project including: Professor Lois McGill and Dr. Mina McDaniels for sharing

Effects of temperature and holding time during pre-blanch on pH, pectic substances and quality characteristics of canned green beans

Creator:: Boni, Magloire C.
Abstract:: Physical, chemical and sensory attributes were examined on canned green beans (Oregon 1604) of sieve sizes 3 & 4 and 5 & 6 after one and three months of storage at room temperature (RT). The green beans subjected to different pre-blanch conditions in water (T1t1: 160°F - 30 min.; T1t2:...
Resource Type:: Masters Thesis
Full Text:: preparation of this thesis. I am also grateful to Dr. W. David Loomis and Dr. Mina R. McDaniel who agreed

An analytical and sensory evaluation of the aroma volatiles of Tuber gibbosum

Creator:: Marin, Anna B.
Abstract:: The aroma of Tuber gibbosum, a native Oregon truffle, was characterized using two distinct techniques. Volatile aroma constituents were identified by chemical analysis, and sensory characteristics were determined by examining response of the general populace to the truffle aroma. Truffle samples from four maturity ranges, as determined by microscopic examination...
Resource Type:: Masters Thesis
Full Text:: appreciation is offered to Dr. Mina McDam'el, major department committee member, mentor and friend, who is

Strawberry cell wall polysaccharides : an intervarietal comparison of compositional, physical, and textural properties

Creator:: Buerger, Michelle Carlene
Abstract:: Maintaining the structural integrity of cell walls largely determines the texture of fruit products during freezing processes. Strawberries undergo major textural changes when frozen, and varietal differences in quality after thawing are not readily predicted from mechanical and sensory testing of the fresh fruit. The objectives of this study were...
Resource Type:: Masters Thesis
Full Text:: (Holdsworth, 1971): log Ma = log M0 + (AE/R) (1/T) . This activation energy is inversely related to the

Characterization and detection of potential adulterants in apple juice by pattern recognition methods

Creator:: Pilando, Leticia S.
Abstract:: Fruit juice concentrates- hard pear, soft pear, fig, prune, raisin, white grape, and pineapple, and sweeteners-invert beet, invert cane, and high fructose corn syrup (HFCS) were characterized by sugar profiles, nonvolatile acid profiles, UV spectral profiles, and mineral content. These fruit juices and sweeteners were also used to adulterate commercial...
Resource Type:: Dissertation
Full Text:: . Mina McDaniel, Dr. Donald MacDonald, Dr. Kenneth Rowe, and Dr. Harry Mack, for their advice and

Descriptive analysis of Pinot noir juice and wine qualities

Creator:: Ludwig-Williams, Nancy
Abstract:: The overall purpose of this study was to develop sensory evaluation methodology whereby wine quality can be predicted from juice quality. Descriptive analysis was used by a trained panel to describe Pinot noir juice and wine from three sources. From each source, one wine and four juice samples (a control...
Resource Type:: Masters Thesis
Full Text:: : Descriptive Analysis of Pinot Noir Juice and Wine Qualities. Abstract approved: JDr. Mina R

Malate and tartrate in Oregon grapes

Creator:: Norton, Kerry M.
Abstract:: In western Oregon the titratable acidity of grapes at harvest may in some seasons be higher than desirable for making quality wine, due to the retention of malic acid. The purposes of this study were 1) to investigate the effects of a vineyard cultural practice, cluster exposure at veraison by...
Resource Type:: Masters Thesis
Full Text:: my committee, Drs. M.R. McDaniel, W.D. Loomis, and F.L. Cerklewski, as well as to the faculty

Development of a restructured seafood product from squid (Loligo Opalescens)

Creator:: Berntsen, Steven Eldon
Abstract:: The influence of protein adjuncts and variations in pH on the cook-cool loss, moisture content, and texture of squid gels was investigated. Break force (P [greater than or equal to] .025), deformation to break (P [greater than or equal to] .01) and cook-cool loss (P [greater than or equal to]...
Resource Type:: Masters Thesis
Full Text:: . Mina McDanlel, Department of Food Science and Technology for assisting with the sensory evaluations

ScholarsArchive@OSU

Influence of free fatty acids on sweet cream butter flavor

Qualitative evaluation of the proteolytic activity in the muscle of Pacific whiting (Merluccius productus)

Sensory, microbiological, chemical, and rheological properties of reduced sodium Cheddar cheese

Effects of temperature and holding time during pre-blanch on pH, pectic substances and quality characteristics of canned green beans

An analytical and sensory evaluation of the aroma volatiles of Tuber gibbosum

Strawberry cell wall polysaccharides : an intervarietal comparison of compositional, physical, and textural properties

Characterization and detection of potential adulterants in apple juice by pattern recognition methods

Descriptive analysis of Pinot noir juice and wine qualities

Malate and tartrate in Oregon grapes

Development of a restructured seafood product from squid (Loligo Opalescens)

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