Today, the one way degassing valve explains the taste characteristics of the coffee beans size and the method of selection.
Because of the variety of coffee itself, or because the origin or production of different estates, so the appearance of coffee beans are different, there are big and small. Large coffee beans are 8mm in size, small about 5mm.
The size of coffee beans can effect the characteristics of coffee. If you buy green coffee beans or baked beans, it is best to choose the appearance of similar size beans. Large coffee beans after baking, the taste will be particularly light and refreshing, after the taste is also very obvious, simply is the taste gradation is distinct. The representative varieties of this large coffee bean are the special species of Malaga and Bakema.
Most of the small coffee beans are with a very sweet taste, taste full of personality. This kind of coffee beans gather a strong taste. Often, small grains of coffee bean will be divided into sour coffee. Can produce a small coffee beans representative species is the kind of Bourbon, Emperor or Typica.
Because the taste gradation of large coffee bean is distinct, small coffee beans taste is full of characteristics, it is appropriate to produce a strong taste of coffee, so the public generally believe that the larger coffee beans are more advanced. In fact, the taste of the two kinds of coffee beans have their own characteristics, so you can choose coffee beans according to your own taste.
One way valve believes that drinking coffee should be like tasting wine, first smell the aroma, and then try a small bite, that you can taste the essence of it.