Coffee trees are native to Ethiopia, Africa, and are mostly distributed in areas with an altitude of 1000 ~ 2000 m between 28 north latitude and 38 south latitude. The main coffee producing area in China is Yunnan, followed by Hainan, Guangdong, Guangxi, Fujian, Taiwan Province and Sichuan.

It is widely planted all over the world, and it is a horticultural perennial cash crop, which is native to tropical and subtropical regions in northern and central Africa. Coffee trees should grow in places with high altitude, volcanic or limestone or granite soil, high temperature, cloudy or cloudy days, large temperature difference between day and night, obvious dry and wet seasons and fertile soil.

Extended data

Economic value of coffee tree;

Caffeine: Caffeine has a strong central excitatory effect, and caffeine intake can eliminate drowsiness and reduce fatigue. Summarize its main functions: refreshing, improving learning efficiency, losing weight, enhancing sports ability and so on. It should be noted that methyl xanthine compounds such as caffeine and theophylline have obvious effects on the circulatory system, and excessive amounts will cause arrhythmia.

② Fenugreek: The content of fenugreek in coffee beans is about 65438 0%, which has the function of warming kidney and dispelling cold.

③ Chlorogenic acid: Chlorogenic acid is an important physiologically active substance, which has the functions of protecting liver and gallbladder, regulating immunity and enhancing gastrointestinal peristalsis.

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