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Coffee in Health and Disease Prevention by Victor R. Preedy

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Chapter 104

Spectroscopic Methods for Chemometric Identification of Defective and Nondefective Coffees

Adriana S. Franca,  and Leandro S. Oliveira     Universidade Federal de Minas Gerais, DEMEC/UFMG, Belo Horizonte, Minas Gerais, Brazil

Abstract

Green coffee is the major product in coffee international trade, and its quality is directly affected by the presence of defective coffee beans. Such defective beans are usually separated by color sorting from the nondefective ones prior to commercialization. However, color separation is not effective and color sorting machines are usually set up to allow some nondefective coffees to be rejected to the defective pile as well. As a consequence, coffee lots that are separated as defective can present a significant ...

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