Full City++ roast, originally uploaded by sweetmarias.
This coffee has entered 2nd crackAn audible popping sound heard during roasting. In coffee, one refers to "first crack" and "second crack," which come from two different classes of chemical reactions.: An audible... ...more, and the increased porosity is evident, as well as pockets of migrating oils. This and many more interesting macro shots I have taken of green and roasted coffee, as well as coffee cherryOriginally coffee literature referred to the fruit of the tree as a "berry" but in time it became a cherry. It is of course neither. Nor is the... ...more, are now posted on the SM site and Flickr. -Tom
