How to tell the robusta coffee beans? What are the characteristics of Robusta coffee beans?

Professional coffee knowledge exchange More coffee bean information Please pay attention to coffee workshop (Weixin Official Accounts cafe_style)

Coffee trees in botany is Rubiaceae (Rubiaceae) a genus. Coffee trees are native to subtropical Africa and some islands in southern Asia. In the 16th and 17th centuries, coffee was introduced to Europe through the trading of Venetian merchants and maritime hegemony Dutch, and exported from Africa to all countries in the world.

The classification of coffee trees is complex, with many species, diversity and lineages. Different varieties of coffee beans have different tastes, but even the same variety of coffee trees, due to different soil, different climate and other effects, the growth of coffee beans also have their own unique flavor. The most vulnerable to frost damage, after hundreds of years of agricultural technology deduction, the main coffee growing area, centered on the equator, between the north and south tropic line, abundant rainfall, temperature between 15- 25 degrees Celsius, this area is the so-called Coffee Belt (Coffee Belt or Coffee Zone).

Generally speaking, coffee is generally divided into two types according to particle size: Arabica (Arabica), which is highly respected and obviously delicious, is small fruit (grain) coffee. Robusta, another type, is larger in size, less sour, more bitter and more caffeinated.

Rob:

Color: yellow to yellow gray

Shape: bean-shaped oblate round, center line straight

Origin: West Africa, Central Africa Inland and East African Highlands

Distribution: Lowlands of West and Central Africa, Highlands of East Africa, Indonesia, Vietnam, India, Brazil, Ecuador, Guatemala, Mexico

growth

pollination: cross pollination

Chromosome: 22 (2n)

Fruit maturity: 10-11 months

Flowering: Indefinite

Suitable temperature: 20-26° per year

Growth altitude: 800--1200 m

rust resistance

Processing methods: mainly sun, semi-washed, semi-sun, wet planing

Brewing characteristics: weak aroma, outstanding body, sweet feeling, weak acid

market

Usage: Suitable for concentration blending and increasing mellow and fat

Robusta coffee beans are oval, spherical or nearly spherical in appearance, with a straight line in the middle. Raw beans merchants will have a polishing process for Luo beans before selling, so Luo beans, whether raw beans or cooked beans, are very easy to identify, will reflect light, and feel smoother.

In the front street [commercial mix] we can see Luo Dou, increased by 10% of Robusta, the taste will be relatively mellow.