1, shallow baking: it has sour taste and emits the original rich fragrance of beans;

2. Moderate roasting: the taste of coffee is stronger and the acidity is weaker, which is the general roasting method of coffee beans;

3. Medium-deep baking: it can fully feel the bitterness and sourness, which is the preferred taste of the Japanese;

4, deep baking: bitter, emitting chocolate, caramel-like fragrance.

The difference of coffee roasting degree is as follows:

1, the taste is different.

The deeper the roasting degree, the stronger the bitterness, and the shallower the roasting degree, the stronger the acidity, so the deep roasted coffee will taste heavier and bitter; Moderately roasted coffee will be sour and light in taste.

2. Different colors.

Moderately roasted coffee beans are dark brown in color; Deep roasted coffee beans are darker in color, like chocolate, and sometimes even almost black, and there will be a glossy surface, which can usually be seen when brewing.

3. Different methods of use.

Moderately roasted coffee beans are suitable for brewing coffee, and are suitable for extraction by hand, pressure pot, siphon pot and drip coffee machine; Deep roasted coffee beans are rich in flavor, suitable for making espresso and extracting with mocha pot, italian coffee machine and Elodea.