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Coffee Caffeine and Acid Analysis via SPE by Laires Araujo is a document available to read on EtoBox.
This document describes a study that applied solid-phase extraction to analyze caffeine and organic acid content in brewed coffee samples. A solid-phase extraction method was adapted to clean up brewed coffee samples prior to determining levels of seven organic acids and caffeine using high performance liquid chromatography. The method showed good precision and linearity. It was then applied to analyze 20 brewed coffee samples from robusta and arabica coffee types originating from different geographic regio
- Author
- Laires Araujo
- Language
- EN