Coffee beans original Arabica, Robasta, Riperica, Exelsa
There are four original species of coffee: Arabica species in Ethiopia, Robasta and Riperica species in Congo, and Exelsa. The original species are used for breeding and research. So far, there are more than a hundred coffee varieties in the world, of which 76% are Arabica, and 24% are Robasta and Riperica.
A: Arabica (Arabica): at present, most of the coffee consumed is Arabica, which is successfully transplanted from Yemen to Java. It has the best quality among several original species, but its flavor varies due to different soil, climate, natural and man-made factors. The caffeine content of Arabica is about half that of Robasta.
B: Robusta: it is widely cultivated in tropical Africa. When it was tested in the 19th century, it was found to be resistant to diseases and insect pests and suitable for planting in low-lying areas, so it was planted in large quantities, but its quality and flavor were still inferior to those of Arabica species.
C: Libbrica: the tree is tall and strong, 18 meters high, the leaves are large and tough, the fruit and coffee beans are also very large, but the demand is low because of the unique taste, so the yield is small. Native to the west coast of Africa, it gradually spread to the east. After transplanting Java, it became very popular in a short period of time, but for a period of time it was almost extinct due to the erosion of insect pests. At present, a small number of plants are planted in Libya, Ivory Coast, Angola, Indonesia and other countries.
D: Exelsa (Excelsa): it's almost extinct, and it's hard to see it in the world now.
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Quality coffee beans, knowledge, classification of raw coffee beans
There are two ways to classify raw coffee beans, one is the filter number, and the other is the elevation. It is divided by the number of the filter screen, and the size is in the unit of the screen (size). Round beans are generally smaller than flat beans, between 8-13 and 12-29. 8, 9, 10. 12, 13. 18. 29 = small, medium, ordinary. Quasi-big. Big, extra large. The bigger the size, the bigger the beans. Like SC.
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Boutique coffee bean Arabica VS Robasta (Robusta)
Arabica (Arabica): accounts for 3/4 of the world's output, good quality, because the coffee tree itself is very sensitive to heat and humidity, so its growth conditions are at least 900m higher than the sea level of the highland climate, the higher the height, the better the quality of coffee beans baked. This variety has a low caffeine content (1.1-1.7%). The color of coffee beans is green to light green, oval in shape and furrowed.
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