The Roasting Process

The roasting process causes a complex series of chemical changes. Over a period of roughly fifteen minutes, the green coffee loses moisture, turns yellow, and then " pops" . As it " pops" , the bean nearly doubles in size, and begins to assume a very light tan color.

Once this stage is reached, the heat source is turned down, and the coffee rapidly darkens in color.

When the desired degree of roast for a given coffee has been achieved, the process is stopped by air cooling.

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Jones Coffee Roasters
537 South Raymond Avenue
Monday - Friday 7:30 AM to 9:00 PM
Saturday & Sunday 9:00 AM to 4:00 PM
phone 1-626-564-9291
Pasadena, CA
©1993-2008 The Best Coffee