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最近,有人用广告欺骗农民,把决明子作咖啡豆出售。咖啡,是茜草科植物,学名Coffea arabica常绿灌木,原产非洲东部,在热带、南亚热带栽培。我国海南、云南、广东都有栽培。叶对生,叶腋着花,花白色有香味,花瓣5—8片。雄蕊五枚,雌蕊一枚,柱头二裂。浆果,深红色,内有种子两粒,种子长椭圆形,干粒重100—200克。种子炒熟研成粉,即为高级饮料咖啡。咖啡中含蛋白质13.8％,粗纤维12％,咖啡碱1.3％,淀粉6.8％,蔗糖1.8％,具有兴奋和健胃利尿作用。
Recently, some people used advertising to trick farmers and sell cassia as coffee beans. Coffee, a plant of the genus Rubiaceae, is an evergreen shrub of the scientific name Coffea arabica, native to eastern Africa and cultivated in tropical and southern subtropical areas. China has cultivated Hainan, Yunnan, and Guangdong. The leaves are opposite, the leaves are adorned with flowers, the flowers are white and fragrant, and the petals are 5-8. Stamens five, pistil one, stigma bifid. Berries, deep red, with two seeds, seeds long oval, dry grain weight 100-200 grams. The seeds are fried and ground into powder, which is a premium beverage coffee. Coffee contains 13.8% of protein, 12% of crude fiber, 1.3% of caffeine, 6.8% of starch, and 1.8% of sucrose. It has excitatory and stomachic diuretic effects.