Type: Chapter

Chemical composition of coffee beans: an overview

Authors

Michael N. Clifford

University of Surrey

Iziar A. Ludwig

Universitat de Lleida

Alan Crozier

University of California Davis

Publication date:

01 January 2018

ID: 9781838793814

E-Chapter format

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Description

This chapter provides an overview of the composition of green coffee beans and the changes associated with roasting and beverage production. The chapter focusses principally, but not exclusively, on more recent advances related to the major chemical components of coffee such as the chlorogenic acids, the alkaloids (caffeine and trigonelline), the diterpenes (cafestol and kahweol), volatile aromatics and the poorly characterized melanoidins.

Table of contents

1 Introduction 2 Overall composition of green coffee 3 Roasting and associated transformations 4 Chlorogenic acids in green coffee beans 5 Chlorogenic acids in roasted coffee beans, instant coffee and beverage 6 Caffeine 7 Trigonelline 8 Diterpenes 9 Melanoidins 10 Production of volatiles 11 Conclusion and future trends 12 Where to look for further information 13 References