Robota beans contain more caffeine than Ali than Kadou, which can easily lead to palpitations and insomnia.

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"Robusta" coffee, commonly known as "sturdy beans", can be grown at low elevations (200 to 800 meters above sea level), has strong resistance to diseases and insect pests, is not vulnerable to agricultural disasters, has a high annual output per unit area, and is harvested in large quantities by machine. in general, the cost of production is much lower than that of Arabica coffee. "Robusta" coffee usually has an ordinary, rigid and pungent flavor, and because the vast majority of robusta around the world are grown in low-altitude areas (author's note: as of May 2008, only India has rare high-altitude, high-quality, washed Robusta coffee beans). The flavor produced by different regions and different climates is not very different, relatively lack of personality. When unbaked, it smells like raw peanuts, and the taste of cheap robusta coffee beans is usually between "wheat tea" (light baking) and "rubber tire flavor" (deep roasting). It is difficult to show a meticulous flavor. Robusta coffee contains about twice as much caffeine as Arabica coffee, which is why drinking some canned coffee is prone to palpitations and insomnia.

Robusta coffee beans are generally used for instant solution because they extract twice as much coffee liquid as Arabica.

The caffeine content is 3.2%, more than twice that of Arabica, and 1.5% of Arabica.

1. Arabica coffee beans grow at colder high altitudes in the tropics, at an altitude of 900 Murray 2000 meters and a temperature of 15 Murray 24 ℃. Robstado grows in the lowlands 200-600m above sea level and likes warm climates. the temperature is 24 ℃, and the requirement for rainfall is not high. However, this variety depends on insects or wind to pollinate, so it takes 11 months from pollination to fruit, which is longer than the Arabica species.

2. Arabica coffee has a changeable and broad potential flavor. Arabica coffee produced in different regions, different elevations and different climates usually has its own characteristics and can show a completely different flavor. "Arabica" coffee smells like grass when it is not roasted. After proper roasting, it shows "fruity" (medium-light roasting) and "caramel sweetness" (deep roasting). Generally speaking, it has a better aroma and flavor than Robusta beans.

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