Is Infrared Coffee Roasting Better Than Conventional Roasting?
When it comes to coffee, which is better - infrared or conventional
roasting? How do these methods differ? What are the advantages and
disadvantages of the two techniques? More importantly, how do they affect the
taste of coffee? For the answers to these questions, read the short article
below. It will give you a clear idea of these techniques and help you enjoy
coffee even more.
Photo grab from Google |
In conventional roasting, coffee beans are placed on a flat screen
conveyor and the beans are roasted by blowing flame heated hot air from below.
Another way to do this is to put the beans in a tumbler and blow the flame
heated hot air as they tumble. But in both cases, the flame could burn the
beans or fail to cook them evenly. This also causes the formation of natural
coffee acids that are responsible for heartburn, indigestion and upset stomach
among others. People with sensitive stomachs can’t tolerate these irritants.
To prevent this, some companies now use infrared roasting where the
beans are roasted in small batches to bring out the desired flavor and aroma.
With infrared technology, the beans heat quickly compared to those roasted by
hot air. Due to the quick increase in internal temperature, the beans have less
surface damage. They are uniformly heated and never burned. There is also a
uniform and quick decrease in moisture, resulting in a perfectly roasted and
delicious coffee bean. Furthermore, infrared roasting decreases the formation
of citric acid, malic acid and formic acid that are naturally found in coffee
beans.
Another advantage of infrared roasting is that it increases the aroma of
coffee by over 25 percent than conventional roasting. Extracts of the infrared
roasted coffee beans were found to be different from traditional roasting. They
had a weaker acidity, producing a better tasting coffee without any bitter
taste.
In closing, infrared roasting results in decreased acidity levels, an
evenly roasted bean, and no burnt or bitter coffee taste. This low acid coffee
is good for people with sensitive stomachs. Thus, infrared roasting is better
than conventional roasting owing to its rich aroma and light acidity.
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