Basic knowledge of coffee simple grading system of Colombian coffee beans
Colombia's coffee bean grading system is quite simple, judging its grade only by the size of the beans. So if you buy Colombian coffee, just marking Supremo does not mean that its taste is also the best. Generally speaking, Colombian coffee produced in boutique bean producing areas will be marked with detailed information such as origin and manor. If it is not marked, it is generally commercial grade coffee beans produced in MAM area.
Cymbal
Colombian coffee is generally graded in terms of items, and more than 18 items are called Supremo,18 items. Below is Excelso.
The mesh represents the diameter of the coffee bean, 1 mesh = 1 inch 64 inches, 1 inch = 25.4 mm, so 18 mesh is about 7 mm.
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Comparison between Arabica and Robbins Tadou
The appearance of Arabica coffee beans is quite obvious compared with that of Robusta coffee beans. Arabica coffee is long, flat, complete and greenish; robusta coffee is round, thicker and whiter. However, it may be because the degree of baking is also different, so this difference alone is not objective.
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How to judge the appearance of coffee beans
Judgment of appearance: delicious coffee can be known from the shape of its roasted coffee beans, of course, there can be no bad coffee beans mixed with, what is more important is that normal beans will also be mixed into high-quality coffee beans and cause hindrance. A fried roasted bean that brews delicious coffee must first be big, fat and uniform, and secondly, it is uniform in size without color spots. These are the main points of visual discrimination, such as
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