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Aroma investigation of ‘Marion’ and thornless blackberries in Pacific Northwest of America

Creator:: Du, Xiaofen
Abstract:: The objectives of this study are to 1) qualitatively and quantitatively measure the odor-active compounds in ‘Marion’ blackberry; 2) compare the aroma profiles of advanced selections and new cultivars of thornless blackberry cultivars with ‘Marion’; 3) study the development of furaneol in ‘Marion’ during ripening and; 4) investigate the distribution...
Resource Type:: Dissertation
Full Text:: BLACKBERRIES IN PACIFIC NORTHWEST OF AMERICA XIAOFEN DU Ph. D

Development of volatile compounds in Pinot noir grapes and their contributions to wine aroma

Creator:: Fang, Yu
Abstract:: It is often perceived that late maturity of grape gives a more complex aroma profile to Pinot noir wine, however, there is little understanding of the basic flavor chemistry of grape maturity on wine aroma. The aroma contributing compounds in Pinot noir were first identified by aroma extract dilution analysis...
Resource Type:: Dissertation
Full Text:: and DMTS; (D) methionol .............................................................. 146 8.1 The

Effect of high hydrostatic pressure and temperature on volatile off-flavors formation in milk

Creator:: Vazquez Landaverde, Pedro A.
Abstract:: The aroma of milk has been often defined as bland and pleasant, yet characteristic. Conventional thermal processing of milk can certainly extend shelf life, but inevitably changes its flavor. High pressure processing has been suggested as an alternative for milk pasteurization with improved fresh flavor retention. The objective of this...
Resource Type:: Dissertation
Full Text:: ) carbon disulfide, d) dimethyl trisulfide. A, B = commercial pasteurized milk .................. 97

Flavor development of cheddar cheese under different manufacturing practices

Creator:: Lemus, Freddy Mauricio
Abstract:: Cheddar Cheese samples (good cheese, weak cheese, cheese made with pasteurized milk, cheese made with heat-shocked milk, cheese from production plant A, cheese from production plant B, cheese made with adjunct culture, and cheese made without adjunct culture), were evaluated during the ripening stage. Proteolysis was studied by a fractionation...
Resource Type:: Masters Thesis
Full Text:: .................................... 74 Figure 18 Peptide profile pasteurized cheese (A and B) Vs Heat-shocked (C and D) milk, for 2

Aroma-active compounds in 'Centennial', 'Citra' and 'Nelson Sauvin' hop varieties and their aroma contribution to dry-hopped beer

Creator:: Feng, Shi
Abstract:: The objectives of this study were to 1) measure and compare the compositional differences of essential oil among three hop cultivars ('Centennial’, 'Citra' and 'Nelson Sauvin'), 2) identify the odor-active aroma compounds in three varieties of hops and 3) investigate the behavior of hop-derived aroma compounds in beers prepared by...
Resource Type:: Masters Thesis
Full Text:: and germacrene D

Development of new analytical methods for aroma analysis and investigation of impact of native yeasts on wine aroma

Creator:: Zhou, Qin
Abstract:: Three analytical methods for determination of aroma compounds in alcoholic beverages were developed and validated. These methods are sensitive and reliable that can be applied to analyze volatile phenols, stale aldehydes as well as some highly volatile aromas in alcoholic beverages. In the first study, an ethylene glycol (EG) polydimethylsiloxane...
Resource Type:: Dissertation
Full Text:: efficiency, (d) ethanol effect with internal standard. ............................................... 69

Effect of Regulated Deficit Irrigation on Malbec and Syrah Grape and Wine Quality

Creator:: Yuan, Xiaoxi
Abstract:: The water status of grape vine throughout the growing season is a primary determinant of vine vigor and berry composition. The concentrations of volatile compounds and precursors in grape berries are highly influenced by viticultural practices. Imposing a water deficit on the vine during berry development is an important vineyard...
Resource Type:: Masters Thesis

Impact of Pre-fermentation Cold Soak Conditions on Pinot Noir Wine Quality

Creator:: Fu, Mengying
Abstract:: Wine volatile composition is one of the most important components of wine quality, and it is greatly affected by multiple factors, including grape variety, viticultural practices, and winemaking procedures. Pre-fermentation cold soak is one of the winemaking techniques widely undertaken by winemakers to modify their red wine quality. Imposing a...
Resource Type:: Masters Thesis

Effects of Vineyard Managements on Grape and Wine Quality in Response to Grapevine Red Blotch Disease

Creator:: Huang, Ling
Abstract:: Grapevine red blotch virus (GRBV) is a single-stranded DNA virus that causes grapevine red blotch disease (GRBD). Symptoms of GRBD include red discoloring of leaf margins and red veins on the underside of the leaves. GRBD affects the plant's metabolism and photosynthetic pathways, and disrupts carbon translocation and chlorophyll concentrations....
Resource Type:: Dissertation
Full Text:: complex. Symptoms (Figure 1.1 C & D) are vines with less vigor and formation of corky rugose wood in the

ScholarsArchive@OSU

Aroma investigation of ‘Marion’ and thornless blackberries in Pacific Northwest of America

Development of volatile compounds in Pinot noir grapes and their contributions to wine aroma

Effect of high hydrostatic pressure and temperature on volatile off-flavors formation in milk

Flavor development of cheddar cheese under different manufacturing practices

Aroma-active compounds in 'Centennial', 'Citra' and 'Nelson Sauvin' hop varieties and their aroma contribution to dry-hopped beer

Development of new analytical methods for aroma analysis and investigation of impact of native yeasts on wine aroma

Effect of Regulated Deficit Irrigation on Malbec and Syrah Grape and Wine Quality

Impact of Pre-fermentation Cold Soak Conditions on Pinot Noir Wine Quality

Effects of Vineyard Managements on Grape and Wine Quality in Response to Grapevine Red Blotch Disease

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