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C o f f e e R o a s t i n g
The Roasting House of Coffee From Around The World, 100% Arabica
Coffee
roasting is the art and science of roasting the green coffees at
approximately 400 degrees. Although sounding simple, roasting and
blending are two of the most important aspects of creating a great
gourmet coffee.
The roasting process caramelizes the sugars and carbohydrates in
the beans creating an oil-like substance which gives the coffee its
flavor and aroma. The longer the coffee is roasted, the darker and more
oily its appearance becomes.
The First 9 Minutes:
Once the coffee roasting begins, at just 3 minutes, the beans emanate a
grassy fragrance. At about 5 minutes, the beans begin to swell and
change colors from green to yellow and then gold. It is now that the
smell changes to that of toasted wheat. At about 9 minutes, the coffee
begins to wrinkle and look ruined.
The First Pop:
Around 10 minutes, gasses build up in the beans causing them to swell
to about double their original size and then rupture. This rupture
releases the gas and can be heard in the roaster kind of like popcorn.
The swelling smoothes out the surface of the bean and then it begins to
even out in color to a very light brown. This is the lightest roast and
is referred to as cinnamon roast.
The Second Pop:
After
about 11 minutes, the color changes to a darker brown known as full
city. At around 12 minutes the color and aroma of the coffee begin to
change very rapidly. Just as in the first pop, the gasses build up and
burst creating a second pop.
The Dark Roasts:
At around 15 minutes the coffee beans now look very dark. A little bit
more and we finally come to the darkest roast, the French roast. It is
important to note that this has nothing to do with where the beans come
from, just how much the beans are roasted. In Europe, this is sometimes
known as the Italian or Espresso roast.
At
whatever stage the roaster decides to stop roasting, the beans are
poured out onto a cooling vat which stirs the beans to quickly cool
them in order to stop the cooking.
After the beans are roasted, they begin to give off vapors for about a
day or two. When this is complete the coffee will be at its optimal
flavor.
It is important to note that the freshness of coffee has to do with when it was roasted not when it was harvested.
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