Have you ever wonder why your coffee taste so great? Why there is a brown coffee and black coffee? The answer to these questions is simple a green coffee will become a brown coffee through the roasting process. The Proper roasting process is the key to creating a quality coffee product.
There is no universal process in roasting coffee beans only a skilled roasting is required to bring out the best flavors and aroma of the coffee. It may take up some time to acquire such skills to develop personal blend and roasting combination. Coffee roast preferences by coffee drinkers vary on how light or dark the roasted coffee beans.
Here is the common coffee roasting that we often buy to coffee merchants.
- City roast typically is dark roast coffee beans.
- Full city roast is commonly slightly darker in a roast.
- French roast is usually roast until the natural coffee oil appears on the beans and,
- An Italian roast is being roasted until carbonized to be easily powdered.
A standard roasting process requires placing the beans in a vertical or horizontal cylinder. The coffee beans are then baked to 450 Degrees Celsius through a hot gas for eight to twelve minutes, depending on the roast.
During the roasting, the coffee beans change both into physical and chemical, turning the coffee beans into a yellowish color and gradually darkens as it roasted longer.When the roasting heats up, the coffee beans shrivel until it reaches it’s halfway point of roasting.In this stage, the coffee beans will pop open, which is called the first crack and this increases their size about 50%.Before the beans reach its second crack, the heat increases, and roasting process is complete, and when the coffee reaches just the right level of the roasting turn off the gas and let the coffee beans temperature cool down as quickly as possible to stop the roasting process.
The two types of cooling down the beans.
- Wet Roast Method – this is done by spraying water into the cylinder to stop the roasting process.
- Dry Roasting Method – the beans are being taken out of the cylinder and placed in a circular basket for air dry to cool down as quickly as possible.
After the freshly roasted coffee beans are cool down they are now ready to be repackaged and if it’s for your personal used better placed the freshly roast coffee beans in a jar with a tight lid to maintain the freshness.
Roasting coffee beans into perfection requires a special skill. When you think of everything in your cup of coffee, the richness, and the aroma, you will appreciate the wonderful art of coffee roasting.