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Studies in food science for industrial applications : Chemical and sensory analysis of fermented cucumbers; insoluble chitosanpolyacrylic acid complexes

Creator:: Chavasit, Visith
Abstract:: Pediococcus cerevisiae, Lactobacillus casei, Lactobacillus plantarum, Leuconostoc mesenteroides, Lactococcus diacetylactis Bifidobacterium bifidum, Leuconostoc oenos, and mixed cultures of Propionibacterium shermanii and P. cerevisiae were used to ferment cucumber juice brine (CJB) at 22-26°C for 1.5 months. Sugar utilization ranged from 14.6 to 86.1%. pH of the fermented CJB ranged from...
Resource Type:: Dissertation
Full Text:: Abstract approved: _ / J. Michael Hudson Chemical and Sensory Analysis of Cucumber

Characterization of factors affecting pectinmethylesterase activity in cucumber fruit

Creator:: Turk, Farzaneh
Abstract:: Pectinmethylesterase (PME) activity in fresh cucumber fruit was determined. The effects of several cationic species, temperature, pH, and acetic acid on the activity of cucumber PME was investigated. The efficacy of blanching, infiltration with CaCl₂ or acetic acid, and fermentation with 0 and 40 mM CaCl₂ on inhibition of cucumber...
Resource Type:: Masters Thesis
Full Text:: : / J. Michael Hudson Pectinmethylesterase (PME) activity in fresh cucumber fruit was determined

Composition of pectic substances in Selva strawberry (Fragaria x ananassa Duch.)

Creator:: Lin, Ben-lin
Abstract:: Pectic substances in the cell wall have long thought to be responsible for the textural changes in fruit during ripening and senescence. Compositional variation within the pectic macromolecules could affect the external characteristics of the fruit. Strawberries undergo adverse quality changes such as softening and juice loss after freezing and...
Resource Type:: Masters Thesis
Full Text:: : . _._ Dr. Ronald E. Wrolstad Pectic substances in the cell wall have long thought to be responsible for

Glass capillary gas chromatographic analysis for trace amounts of cyclopropenoid fatty acids

Creator:: Ryan, Daberath
Abstract:: Dietary cyclopropenoid fatty acids (CPFA) have long been known to cause pronounced physiological disorders in both farm and laboratory animals. Past work has shown CPFA to be a powerful promoter of carcinogenesis in trout, rats and mice. Sterculic and malvalic acids (CPFA's) are found in seed lipids of plants from...
Resource Type:: Masters Thesis
Full Text:: : Norman E. Pawlowski Dietary cyclopropenoid fatty acids (CPFA) have long been known to cause

The microbial stability of refrigerated intermediate moisture foods

Creator:: Li, Ken-yuon
Abstract:: The lag phase, the specific growth rate, the minimum a [subscript w] required for growth and the temperature characteristic of Fsendomonas fluorescens, Brochothrix thermosphacta, Salmonella typhlmurium, Streptococcus faecalis and, Staphylococcus aureus have been studied in liquid model media under controlled temperature and a [subscript w] conditions. The results show that...
Resource Type:: Dissertation
Full Text:: appreciation to the members of my committee, Dr. John L. Fryer, Dr. Sonia Anderson, Dr. J. Michael Hudson

Anthocyanin degradation in freeze-dried strawberries and strawberry puree

Creator:: Erlandson, John Arthur
Abstract:: Anthocyanin degradation in freeze-dried strawberry puree was studied under various relative humidity conditions at 37°C. Moisture was found to be the determining factor in the rate of pigment degradation. Storage at relative humidities below 11% provided good pigment retention in this low-moisture product. Enzymatic degradation of the anthocyanin pigment did...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF JOHN ARTHUR ERLANDSON for

Ultrafiltration of grape juice by hollow fiber membranes

Creator:: Garcia-Quintero, Zeferino Heberto
Abstract:: The feasibility of using hollow fiber ultrafi1tration for clarification, stabilization and preservation of white grape juice was evaluated. Flux and process parameters of a hollow fiber membrane ultrafi1tration unit (Romicon pilot scale, model FXS-MXII), were studied using white Riesling grape juice. Optimum processing conditions were determined for different nominal membrane...
Resource Type:: Masters Thesis
Full Text:: Title: Ultrafiltration of Grape Juice by Hollow Fiber Membranes Abstract approved: v. Dr. Arthur F

Significance of air removal in institutional size retortable pouches

Creator:: Huerta-Espinosa, Victor M.
Abstract:: The effect of entrapped air content on heat penetration characteristics in institutional size retortable pouches packed with pears and green beans was investigated. In addition, products processed in pouches and in number 10 cans were compared using several indices of quality (color, texture, total phenolics, ascorbic acid) and sensory panel...
Resource Type:: Masters Thesis
Full Text:: : - . - -^ Dr. Arthur F. Badenhop The effect of entrapped air content on heat penetration characteristics in

Structure of the Royal Anne cherry cuticule with special reference to cuticular penetration

Creator:: Wilson, Lester Arthur
Abstract:: The structure of the Royal Anne cherry cuticle (Prunus avium L.) and its penetration by a SO₂-calcium bisulfite brine was determined. The structural features of the cuticle are interpreted in the light of its possible significant to cuticular penetration. The morphology of the cuticle was determined by standard histological and...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF LESTER ARTHUR WILSON for the

Edible food coatings to control potassium sorbate diffusion from surface into food bulk : characterization of the diffusion process in polysaccharide based films

Creator:: Vojdani, Fakhrieh
Abstract:: Edible coatings controlling preservative migration from surface to food bulk could inhibit surface microbial growth which is often the main cause of spoilage for many food products. In this project we focused our attention upon methylcellulose, hydroxypropyl methylcellulose, and chitosan as the structural component for such edible films. These films...
Resource Type:: Masters Thesis
Full Text:: appreciation to Drs. Wilbert Gamble, Arthur G. Johnson, and Michael H. Penner for serving as members of my

ScholarsArchive@OSU

Studies in food science for industrial applications : Chemical and sensory analysis of fermented cucumbers; insoluble chitosanpolyacrylic acid complexes

Characterization of factors affecting pectinmethylesterase activity in cucumber fruit

Composition of pectic substances in Selva strawberry (Fragaria x ananassa Duch.)

Glass capillary gas chromatographic analysis for trace amounts of cyclopropenoid fatty acids

The microbial stability of refrigerated intermediate moisture foods

Anthocyanin degradation in freeze-dried strawberries and strawberry puree

Ultrafiltration of grape juice by hollow fiber membranes

Significance of air removal in institutional size retortable pouches

Structure of the Royal Anne cherry cuticule with special reference to cuticular penetration

Edible food coatings to control potassium sorbate diffusion from surface into food bulk : characterization of the diffusion process in polysaccharide based films

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