Welcome to Roast Magazine Audio Articles. Roast focuses on coffee from a technical perspective, covering the art, science and business of coffee roasters.

Presenting: "Grading Green Coffee for Physical Defects" by Chris Kornman.

This article originally appeared in Roast Magazine's January/February 2020 issue. To subscribe to the print edition of Roast or purchase a copy of past issues, visit roastmagazine.com.

This audio article was narrated by Lily Kubota, recorded and produced by Upright Recording Studio, and published by Roast Magazine.