Quantification of Coffea arabica and Coffea canephora var. robusta in roasted and ground coffee blends.

Abstract

This study reports direct quantification of arabica in roasted and ground coffee blends of Coffea arabica and Coffea canephora var. robusta. (1)H-NMR analysis of water extracts of coffee blends were combined with multivariate statistical analysis to obtain an OPLS model with high predictive capability. This approach allowed to evaluate the composition of… (More)
DOI: 10.1016/j.talanta.2012.12.003

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