Index Catalog // ScholarsArchive@OSU

Assessing the impact of temperature on grape phenolic metabolism

Creator:: Cohen, Seth D.
Abstract:: Many climatic factors influence grape berry composition including nutrient status, water availability, biotic stress, sun exposure and temperature. Previous research examined the effects of many factors listed above and much progress has been made. It is often difficult, however, to separate effects that typically confound each other, such as sun...
Resource Type:: Masters Thesis
Full Text:: : _______________________________________________________ James A. Kennedy Many climatic factors influence grape berry composition including

Analysis of proanthocyanidin A2 and its presence in various commercial products

Creator:: Koerner, Jayma L.
Abstract:: Proanthocyanidins (PACs) containing A-type linkages, like those found in cranberry, have been implicated as beneficial phenolic compounds in human health, but much research is still required to better understand their activity fully. One major impediment to progress has been the existence of effective analytical methods for A-type PAC quantification. This...
Resource Type:: Masters Thesis
Full Text:: . Kennedy Proanthocyanidins (PACs) containing A-type linkages, like those found in cranberry, have

Effect of berry integrity on proanthocyanidin extraction during wine production

Creator:: Cerpa-Calderon, Fiorella Karen
Abstract:: Proanthocyanidins are a grape-derived phenolic class of compound that provide wine with bitterness and astringency. Because of this, proanthocyanidins are considered to be essential components of wine quality. Proanthocyanidins are localized in the seed, skin and stem tissue of the grape berry and the composition of proanthocyanidins will vary depending...
Resource Type:: Masters Thesis
Full Text:: James A. Kennedy Interest in research on the phenolic compounds in red wine continues to grow due

Composition of flavonoid phenolic polymers isolated from red wine during maceration and significance of flavan-3-ols in foods pertaining to biological activity

Creator:: Aron, Patricia M.
Abstract:: Representing the most common flavonoid consumed in the American diet, the flavanols and their polymeric condensation products, the proanthocyanidins, are regarded as functional ingredients in various beverages, whole and processed foods, herbal remedies and supplements. Their presence in food affects food quality parameters including astringency, bitterness, sourness, sweetness, salivary viscosity,...
Resource Type:: Masters Thesis
Full Text:: : _________________________________________________ James A. Kennedy Representing the most common flavonoid consumed in the American diet

Development of anthocyanins and proanthocyanidins in Pinot noir grapes and their extraction into wine

Creator:: Pastor del Rio, Jose L.
Abstract:: Color stability and mouth feel quality are two of the most important aspects of red wine quality. Anthocyanins and proanthocyanidins are responsible for these attributes and it has been shown that weather conditions during the growing season and grape maturity can effect these components in wine. However, investigations into proanthocyanidin...
Resource Type:: Masters Thesis
Full Text:: Abstract approved: James A. Kennedy Color stability and mouth feel quality are two of the most

Gel electrophoretic analysis of the protein changes in ground beef stored at 2⁰C

Creator:: Xiong, Youling
Abstract:: A study was completed to determine the extent of the protein changes occurring in ground beef stored at 2°C for 10 days. Sections of semitendinosus muscle were obtained immediately after the slaughter of three beef animals. Each section was divided into two equal portions, one of which was ground and...
Resource Type:: Masters Thesis
Full Text:: graduate commitee, Drs. Robert R. Becker, Daniel P. Selivonchick and Roger G. Petersen. Thanks also

Effects of refrigeration storage and processing technologies on the bioactive compounds and antioxidant capacities of blackberries ('Marion' and 'Evergreen')

Creator:: Wu, Ruyi
Abstract:: The objective of this project was to investigate the effects of refrigeration storage and processing technologies on the quality and nutraceutical benefit of blackberries. 'Marion' and 'Evergreen', the two major blackberry varieties in Oregon, were evaluated in this study. For refrigeration storage, fresh fruit were packed in clam-shell containers right...
Resource Type:: Masters Thesis
Full Text:: Kennedy, Andrew Ross and Kenneth Johnson for dedicating your precious times and efforts to review my

Characterization of phenolics in Marion and Evergreen blackberries

Creator:: Siriwoharn, Thanyaporn
Abstract:: Frozen Marion (Rubus sp. hyb) and Evergreen blackberries (Rubus laciniatus) (whole berries, berries without seeds, and seeds alone) were acetone/ chloroform extracted. Phenolics were isolated using C₁₈ cartridges and polyamide resins, then characterized and measured by reversed-phase HPLC/diode array spectral techniques. The Polyamide isolated fractions of Marion berries contained four...
Resource Type:: Masters Thesis
Full Text:: of Trolox equivalent (TE)/g, and 79.1 nmole of TE/g, respectively. The total phenolics, ORAC and

The impact of Saccharomyces and non-Saccharomyces yeast on the aroma and flavor of Vitis vinifera L. cv. 'Pinot Noir' wine

Creator:: Takush, David G.
Abstract:: The impact of yeast on the aroma and flavor of Vitis vinifera L. cv. 'Pinot Noir' wine was investigated. Due to the presence of naturally occurring yeast and bacteria on grapes and wine equipment, and the influence these microorganisms have on wine, a means of eliminating microorganisms from grape must...
Resource Type:: Masters Thesis
Full Text:: ABSTRACT OF THE THESIS OF David G. Takush for the degree of Master of Science in Food Science and

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

Assessing the impact of temperature on grape phenolic metabolism

Analysis of proanthocyanidin A2 and its presence in various commercial products

Effect of berry integrity on proanthocyanidin extraction during wine production

Composition of flavonoid phenolic polymers isolated from red wine during maceration and significance of flavan-3-ols in foods pertaining to biological activity

Development of anthocyanins and proanthocyanidins in Pinot noir grapes and their extraction into wine

Gel electrophoretic analysis of the protein changes in ground beef stored at 2⁰C

Effects of refrigeration storage and processing technologies on the bioactive compounds and antioxidant capacities of blackberries ('Marion' and 'Evergreen')

Characterization of phenolics in Marion and Evergreen blackberries

The impact of Saccharomyces and non-Saccharomyces yeast on the aroma and flavor of Vitis vinifera L. cv. 'Pinot Noir' wine

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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