What's the difference between light roasting and deep roasting of coffee?

The difference between light roasting and deep roasting of coffee lies in:

First, the characteristics are different.

Deep roasted coffee is dark brown, the surface of coffee beans is rich in oil, the acidity is low, the taste of red wine is heavier, and the taste is more bitter and mellow.

Light roasted coffee is light brown, and there is no grease on the surface of coffee beans. Beans have high hardness, bright acidity, mellow taste and bright taste.

Second, the water content is different.

Deep roasted coffee beans contain less water;

Light roasted coffee beans contain relatively more water.

Third, the stages are different.

Deep roasted coffee reaches 220-225 degrees Celsius during roasting;

The internal temperature of light roasted coffee usually reaches 170-200 degrees Celsius.

Fourth, the flavor is different.

Deep roasted coffee will have the characteristics of chocolate, nuts and caramel;

Lightly roasted coffee has fruity and floral aromas. After good growth, processing and baking, beans can produce various flavors, fragrances and aftertaste.

Five, the number of particles is different.

Deep roasted coffee beans are bigger, lighter and more numerous than lightly roasted coffee beans, and the brewed coffee has a relatively strong taste.

Light roasted coffee beans are smaller than deep roasted coffee beans, and the brewed coffee tastes relatively light.