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Filtering by: Creator de Vos, Birgit Degree Name Master of Science (M.S.) Subject Wine -- Flavor and odor

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:

basic carotenoids are 10 synthesized, they undergo de-saturation, cyclization and hydroxylation
Impact of lees content, nitrogen, and elemental sulfur on volatile sulfur compound formation in Vitis vinifera L. cv. 'Pinot noir' wine

Creator:

Kraft, Daniel N.

Abstract:

One of the most common problems in wine production is the formation of hydrogen sulfide (H₂S) and other volatile sulfur compounds (VSCs), which can mask positive aromas at low concentrations and result in unpleasant aromas such as rotten egg, cabbage, garlic, and rubber at higher concentrations. Despite the large body...

Resource Type:

Masters Thesis

Full Text:

concentrations (De Mora et al., 1987). However, at higher concentrations it can result in negative sensory
Effect of lactic acid bacteria growth on Brettanomyces bruxellensis growth and production of ethylphenols

Creator:

Chescheir, Stuart C.

Abstract:

The yeast Brettanomyces bruxellensis is the most important wines spoilage yeast encountered during winemaking as it can survive in wine for long periods, requires minimal nutrients for growth, and can be difficult to control. Brettanomyces produces two major spoilage products, the volatile phenols 4-ethylphenol (Band-Aid, medicinal smell) and 4-ethylguaiacol (smoke,...

Resource Type:

Masters Thesis