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Gas Chromatography-Olfactometry: The State of the Art »

Book cover image of Gas Chromatography-Olfactometry: The State of the Art by Jane V. Leland

Authors: Jane V. Leland (Editor), Peter Scheiberle (Editor), Andrea Buettner
ISBN-13: 9780841237131, ISBN-10: 0841237131
Format: Hardcover
Publisher: An American Chemical Society Publication
Date Published: March 2001
Edition: (Non-applicable)

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Author Biography: Jane V. Leland

both at the Deutsceh Forchungsanstalt fur Lebensmittelchemie

Cornell University

Book Synopsis

Here are the latest applications and developments in the field for food and flavor chemists, food scientists, and aroma researchers in academia and industry. Topics in this volume include: application of GC-O to flavor creation, improving the reproducibility and qualitative accuracy of GC-O, coupling of GC-O with SPME, application of aroma extract dilution analysis to solve off-flavor problems, a new approach called aroma extract concentration analysis, and techniques for improving odor intensity estimates by cross modality matching.

Booknews

A compilation of research on gas chromatography-olfactometry (GC-O), for industrial and academic flavor and fragrance researchers as well as students of flavor, fragrance, and food. Focus is on applications of the GC-O techniques first developed in the mid-1980s, with additional material on the latest developments. Applications discussed include the use of standard CharmAnalysis to characterize key flavor or aroma compounds, flavor creation, the use of cross-modality matching for estimating odor intensity, and using GC-O to screen individuals for differences in individual olfactory acuity. Also explored are limitations of the use of odor activity values. Material originated at an August 1999 meeting of the American Chemical Society. Leland is affiliated with Kraft Foods. The book is distributed by Oxford U. Press. Annotation c. Book News, Inc., Portland, OR (booknews.com)

Table of Contents

Preface
1Advances in Gas Chromatography-Olfactometry1
2Application of Gas Chromatography-Olfactometry to Flavor Creation11
3Characterization of the Odor-Active Constituents in Fresh and Processed Hops (variety Spalter Select)23
4Application of a Comparative Aroma Extract Dilution Analysis to Monitor Changes in Orange Juice Aroma Compounds during Processing33
5Trace Compound Analysis for Off-Flavor Characterization of Micromilled Milk Powder46
6Tequilas: Charm Analysis of Blanco, Reposado, and Anejo Tequilas62
7Aroma Active Internal Standards for Gas Chromatography-Olfactometry of Grapefruit Juices73
8SPME and GC-AED-Olfactometry for the Detection of Trace Odorants in Essential Oils88
9The Identification of Aroma Compounds in Key Lime Oil Using Solid-Phase Microextraction and Gas Chromatography-Olfactometry100
10SPME Analysis of Flavor Components in the Headspace of Scotch Whiskey and Their Subsequent Correlation with Sensory Perception113
11Solid-Phase Microextraction Combined with Gas Chromatography-Olfactometry for Analysis of Cheese Aroma123
12Aroma Extract Dilution Analysis versus Aroma Extract Concentration Analysis138
13Selecting Standards for Gas Chromatography-Olfactometry148
14Limitations in the Use of Odor Activity Values to Determine Important Odorants in Foods156
15Odor Intensity Measurements in Gas Chromatography-Olfactometry Using Cross Modality Matching: Evaluation of Training Effects172
16Aroma of Roasted Sesame Oil: Characterization by Direct Thermal Desorption-Gas Chromatography-Olfactometry and Sample Dilution Analysis187
Author Index203
Subject Index204

Subjects