Roasting causes coffee to produce coffee oil, which is what gives coffee its rich aroma. The most outstanding characteristic of this fragrance is its volatility and its easy solubility in water. Therefore, people can smell the mellow smell of coffee beans, but also can pour it into the cup to taste.
Coffee roasting has the following degrees:
Light roast light fragrance and high acidity is one of its characteristics. (Swiss Baked)
Medium-toasted with high acidity and a light mellow aroma.
Deep roast. Slightly bitter with a rich mellow aroma. (Italian baking)
A coffee roasted to satisfy special coffee lovers, with a pronounced bitterness and a charred taste. (French baked)
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