Like many living organisms, citric acid plays an important role as a key intermediate compound in the plant's metabolic cycle. In green coffee citric acid makes up a significant portion of coffee's total acid content and ultimately in the development of perceived acidity.
The following article was written in 2002 by the late Michael Sivetz, inventor of the fluid bed coffee roaster. The opinions expressed in this article are not those of coffeechemistry.com, as such we don't endorse nor deny any of its claims. This article is only meant for educational purposes.