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A maturity trial study of Pinot noir wines : aroma profile by sniffing gas chromatographic effluent

Creator:: Miranda-Lopez, Rita
Abstract:: The quality of wine is highly influenced by the weather. Temperature, solar radiation and humidity influence the formation and concentration of aroma-active compounds and aroma-active precursors in the grapes. Pinot noir grapes require a slow ripening, under cool temperatures, in order to achieve their fullest flavor. The main objective of...
Resource Type:: Masters Thesis
Full Text:: Chromatographic Effluent By Rita Miranda-Lopez A THESIS submitted to Oregon State University in

Iron availability from corn tortillas and cooked beans (Phaseolus vulgaris) : a study on the effect of fiber

Creator:: Garcia-Lopez, Jesus Salvador
Abstract:: Absorption of iron from foods has been reported to be inhibited by various factors including some diet components. Fiber from different sources has been observed to bind ferrous iron. This may be the reason for iron deficiencies observed in populations that consume diets high in non-digestible materials. The effect of...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF J. Salvador Garcia-Lopez for the

Improved moisture permeability determinations for packaging films and food coatings

Creator:: Tello-Lopez, Edgar Eduardo
Abstract:: Equipment and procedures for the rapid measurement of the water vapor permeability of polymer films and food coatings has been evaluated. The method uses an electronic sensor to measure the concentration increase in water vapor diffusing through a film into a chamber of known volume. Air of known humidity is...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Edgar Eduardo Tello Lopez for the

Use of Organoleptic Methodologies to Evaluate Wine Oligosaccharides and Wines made from Grapevine Red Blotch Virus Positive Vines Subjected to Various Vineyard Management Practices

Creator:: Hoffman, Samuel
Abstract:: The human senses can be used as analytical tools to evaluate many different aspects of our daily lives. The use of our senses through organoleptic methods offers unique and powerful insights into the characteristics of different stimuli. Due to the unique function of the different sensory organs we use to...
Resource Type:: Masters Thesis
Full Text:: Abstract approved: _____________________________________________________ James P. Osborne The

Interactions between Oenococcus oeni and Brettanomyces bruxellensis during winemaking and consequences for wine quality

Creator:: DuBois, Aubrey E.
Abstract:: The growth of Brettanomyces bruxellensis is a major cause of wine spoilage due tothe production of the volatile phenols 4-ethylphenol (4-EP) and 4-ethylguaiacol (4-EG), derivatives of p-coumaric acid and ferulic acid. During the winemaking process,some microorganisms can impact the concentration of the 4-EP precursors pcoumaricand coutaric acid (tartaric acid-esterified p-coumaric...
Resource Type:: Masters Thesis
Full Text:: : _____________________________________________________ James P. Osborne The growth of Brettanomyces bruxellensis is a

The Impact of Malolactic Fermentation Conducted by Oenococcus oeni on Brettanomyces bruxellensis Growth and Volatile Phenol Production

Creator:: Lauderdale, Adam D.
Abstract:: Wine is particularly vulnerable to infection by Brettanomyces bruxellensis during or shortly after malolactic fermentation (MLF). While different methods and techniques enable winemakers to prevent wine spoilage due to this organism, no single intervention is universally sufficient. Moreover application of sulfur dioxide, the most commonly used of these methods, is...
Resource Type:: Masters Thesis
Full Text:: Growth and Volatile Phenol Production Abstract approved: James P. Osborne Wine is

Influence of Biotic and Abiotic Factors on Yeast Communities during Cold Soak and the Consequences for Wine Aroma

Creator:: Johnson, Jared D.
Abstract:: Pre-fermentation cold soak is a winemaking technique used to alter the color, mouthfeel, and aroma of red wine. While it is still debated what impact cold soak has on these wine quality parameters, current thoughts are that resident yeast populations found in fresh grape must play a role in altering...
Resource Type:: Masters Thesis
Full Text:: : _____________________________________________________ James P. Osborne Pre-fermentation cold soak is a winemaking

The Influence of Vineyard and Winery Nitrogen Supplementation on Chardonnay and Pinot Noir Winemaking and Wine Quality

Creator:: Ruppel, Meghan L.
Abstract:: Nitrogen is a crucial nutrient required by yeast to successfully complete alcoholic fermentation. In particular, the concentration of yeast assimilable nitrogen (YAN) influences fermentation kinetics and the production of a range of volatile aroma compounds, both desirable and undesirable. YAN is naturally present in the grape, but producers can boost...
Resource Type:: Masters Thesis
Full Text:: : ______________________________________________________ James P. Osborne Nitrogen is a crucial nutrient required by yeast to successfully

Utilizing Non-Saccharomyces Yeast As Bio-Protectants During Pre-Fermentation Cold Soaking Under Different Conditions

Creator:: Nichols, Melanie L.
Abstract:: Cold soaking is a technique used during red winemaking to alter the aroma, flavor, and phenolic content of a wine. However, cold soaking does not come without risk, as this process can result in the production of spoilage compounds such as acetic acid and ethyl acetate if excessive growth of...
Resource Type:: Masters Thesis
Full Text:: : ______________________________________________________ James P. Osborne Cold soaking is a technique used during red winemaking to alter the

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:: : _____________________________________________________ James P. Osborne The impact of yeast on the aroma and flavor of Vitis vinifera

ScholarsArchive@OSU

A maturity trial study of Pinot noir wines : aroma profile by sniffing gas chromatographic effluent

Iron availability from corn tortillas and cooked beans (Phaseolus vulgaris) : a study on the effect of fiber

Improved moisture permeability determinations for packaging films and food coatings

Use of Organoleptic Methodologies to Evaluate Wine Oligosaccharides and Wines made from Grapevine Red Blotch Virus Positive Vines Subjected to Various Vineyard Management Practices

Interactions between Oenococcus oeni and Brettanomyces bruxellensis during winemaking and consequences for wine quality

The Impact of Malolactic Fermentation Conducted by Oenococcus oeni on Brettanomyces bruxellensis Growth and Volatile Phenol Production

Influence of Biotic and Abiotic Factors on Yeast Communities during Cold Soak and the Consequences for Wine Aroma

The Influence of Vineyard and Winery Nitrogen Supplementation on Chardonnay and Pinot Noir Winemaking and Wine Quality

Utilizing Non-Saccharomyces Yeast As Bio-Protectants During Pre-Fermentation Cold Soaking Under Different Conditions

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

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