COFFEE FLAVOR CHEMISTRY By Ivon Flament (Firmenich)
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COFFEE FLAVOR CHEMISTRY
|Author||:||IVON FLAMENT (Firmenich)|
During the past 150 years, organic chemists have attempted to solve the mystery of roasted coffee flavour and only recently have its secrets been uncovered. To date more than 800 chemical components have been identified and confirmed by synthesis. These compounds belong to a wide range of chemical structures, the most typical being novel substituted heterocycles. This research has significantly contributed to the development of modern organic chemistry. No monograph has been published on the long and rich history of coffee flavour analysis and synthesis. Despite numerous reviews, there is no comprehensive work which summarises this important aspect of the flavour chemistry of this world famous beverage. Coffee Flavour Chemistry provides a complete analytical and synthetic survey of the chemistry of coffee flavour constituents and answers questions including: How are these compounds formed during the roasting? What structure do they have? How do they contribute to the smell and the taste of the beverage? Who identified them. In addition, the reactions contributing to the formation of flavour compounds in coffee mirror those occurring in other flavour systems resulting in interest from chemists interested in flavours other than coffee.
This, the first comprehensive review of coffee flavor chemistry is entirely dedicated to flavor components and presents the importance of analytical techniques for the quality control of harvesting, roasting, conditioning and
distribution of foods.
* Provides a reference for coffee specialists and an introduction to flavor chemistry for non-specialists
* The author is a research chemist with Firmenich SA, one of the few great flavor and fragrance companies in the world
* Contains the most recent references (up to 2001) for the identification of green and roasted coffee aroma volatiles
TABLE OF CONTENTS :
A Short History of Coffee.
Books, Reviews and Meetings.
2. Green Coffee.
The non-volatile constituents and their contribution as precursors of the flavor of roasted coffee.
The volatile compounds identified in green coffee beans.
3. From the raw bean to the roasted coffee.
The roasting process: Strecker and Maillard Reactions.
Identification and characterization of flavor constituents: extraction, isolation, identification and quantification.
Sensory analysis: determination of qualities and defects.
4. A historical survey of coffee aroma research.
The pioneers (From 1800 to 1956).
Modern times: the advent of gas chromatography.
5. The individual constituents: structure, nomenclature, origin, chemical and organoleptic properties.
Acids and anhydrides.
Furans and Pyrans.
Amines and miscellaneous nitrogen compounds.
Miscellaneous sulfur compounds.