Index Catalog // ScholarsArchive@OSU

Nutritional and Genetic Aspects of Sulfite Excretion During Fermentation by Wine Strains of Saccharomyces cerevisiae

Creator:: Alessandri, María P.
Abstract:: Reductive sulfate assimilation, the biological process by which sulfur-containing amino acids and key derivatives are synthesized from sulfate, is broadly shared among bacteria, fungi, and plants. It is the major, if not sole source of methionine and cysteine for Saccharomyces cerevisiae during wine fermentation. Two obligate intermediates formed in the...
Resource Type:: Masters Thesis
Full Text:: Microbiology 61 (1970): 107-119. Wang, X. D., J. C. Bohlscheid, and C. G. Edwards. "Fermentative activity and

Development of a method to measure protein in red wines : a survey of protein, mannan and tannin in Pinot noir wines

Creator:: Smith, Mark R.
Abstract:: A number of methods to isolate and quantify protein in Pinot noir wines were evaluated. The combination of precipitation by acetone containing 10% w/v trichloroacetic acid followed by quantification with the Bradford assay, reported in yeast invertase equivalents yielded the most accurate results when compared to micro-Kjeldahl analysis. The technique...
Resource Type:: Masters Thesis
Full Text:: : _______________________________________________________ Alan T. Bakalinsky A number of methods to isolate and quantify protein in

Yeast protein release during fermentation and aging in a model wine

Creator:: Rowe, Jeffrey D.
Abstract:: Yeast mannoproteins released during the process of aging wine on the yeast lees have been reported to make important contributions to wine quality. However, few mannoproteins have been identified in wine and their lifespan during aging is unknown. As a first step towards better understanding the contributions of yeast mannoproteins...
Resource Type:: Masters Thesis
Full Text:: . Abstract approved: _______________________________________________________ Alan T. Bakalinsky

Efficacy of electrolyzed oxidizing water and ozonated water for microbialdecontamination of fresh strawberries (Fragaria x ananassa)

Creator:: Udompijitkul, Pathima
Abstract:: The objectives of this project were to evaluate the efficacies of electrolyzed oxidizing (EO) and ozonated waters as antimicrobial agents for enhancing the microbiological safety of fresh strawberries (Fragaria x ananassa). The influence of sodium chloride (NaCl) concentrations used for preparing EO water was evaluated on their bactericidal activities against...
Resource Type:: Masters Thesis
Full Text:: Ozonated Water for Microbial Decontamination of Fresh Strawberries (Fragaria x ananassa). Abstract

Investigation of Optimal Extraction Conditions and Microencapsulation Technique for Stabilizing Anthocyanins and Polyphenols from Fruit Materials

Creator:: Wang, Wenjie
Abstract:: The objectives of this research were to investigate the optimal conditions for anthocyanins extraction from different anthocyanin rich fruit and to develop microencapsulation formulation for improving stability of anthocyanin extracts. In the extraction optimization study, two extraction methods, "conventional solvent extraction (CE)" and "ultrasound-assisted extraction (UE)" for three different anthocyanin-rich...
Resource Type:: Masters Thesis
Full Text:: .; Sun, Y.; Zhao, G.; Liao, X.; Hu, X.; Wu, J.; Wang, Z. Optimization of Ultrasound-Assisted Extraction

Investigation of Hot-Air (HA) Drying Conditions and Shell Cracking Mechanism and Development of Radio-Frequency (RF) Dielectric Heating for Ensuring Quality and Reducing Shell Cracking of Oregon Hazelnuts (Corylus avellana L.)

Creator:: Wang, Wenjie
Abstract:: Oregon produces 99% US hazelnuts (Corylus avellana L.), occupying 3% world production. To ensure the quality and food safety of hazelnuts (inshells or kernels), industry and federal standards require freshly harvested nuts to be cleaned and dried to reach a final moisture content (MC) of inshells < 10%, MC of...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE DISSERTATION OF Wenjie Wang for

Impact of seasonal variation and growing environment on blackberry aroma

Creator:: Wang, Yuanyuan
Abstract:: Blackberries have been enjoyed for their delicious flavor and high nutritional value for hundreds of years. In North America, blackberries were cultivated since 1850-1860. Blackberries have their characteristic and unique aromas depending on the cultivar and growing conditions. The objective of this study was to evaluate the impact of seasonal...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Yuanyuan Wang for the degree of

Study of sulfite mutants of Saccharomyces cerevisiae

Creator:: Wightman, JoLynne Dee
Abstract:: Sulfite mutants representing five complementation groups, previously derived from an ethyl methanesulfonate-treated haploid strain of Saccharomyces cerevisiae were studied. Although the wildtype S. cerevisiae strain used (isogenic to X2180-1 A) had a basal tolerance for sulfite (7 μM free H₂SO₃), the sensitive and resistant mutants were found to tolerate less...
Resource Type:: Masters Thesis
Full Text:: : A Study of Sulfite Mutants of Sacchammvces cerevisiae Abstract approved: Alan T. Bakalinsky

Applied and basic aspects of sulfite metabolism in Saccharomyces cerevisiae

Creator:: Park, Hoon
Abstract:: In an effort to understand the basis for sulfite detoxification in S. cerevisiae, the functions of two genes were analyzed. SSU1, which encodes a plasma membrane protein, was found to be required for efficient sulfite efflux. FZFl-4, a dominant allele of a transcriptional activator of SSUl, was also found to...
Resource Type:: Dissertation
Full Text:: Aspects of Sulfite Metabolism in Saccharomyces cerevisiae. Abstract approved: Alan T. Bakalinsky

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:: Antimutagenicity in Yogurt Abstract Approved: ^ Alan T. Bakalinsky The purpose of this study was to identify

ScholarsArchive@OSU

Nutritional and Genetic Aspects of Sulfite Excretion During Fermentation by Wine Strains of Saccharomyces cerevisiae

Development of a method to measure protein in red wines : a survey of protein, mannan and tannin in Pinot noir wines

Yeast protein release during fermentation and aging in a model wine

Efficacy of electrolyzed oxidizing water and ozonated water for microbialdecontamination of fresh strawberries (Fragaria x ananassa)

Investigation of Optimal Extraction Conditions and Microencapsulation Technique for Stabilizing Anthocyanins and Polyphenols from Fruit Materials

Investigation of Hot-Air (HA) Drying Conditions and Shell Cracking Mechanism and Development of Radio-Frequency (RF) Dielectric Heating for Ensuring Quality and Reducing Shell Cracking of Oregon Hazelnuts (Corylus avellana L.)

Impact of seasonal variation and growing environment on blackberry aroma

Study of sulfite mutants of Saccharomyces cerevisiae

Applied and basic aspects of sulfite metabolism in Saccharomyces cerevisiae

A study of antimutagenicity in yogurt

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