香豆属豆科,又名胡卢巴、香草、雪莎、苦豆等,为一年生草本植物,全草干后有浓郁香气,具有很高的经济价值,国际市场供不应求。香豆全草含有香气,茎叶晒干后香气浓郁,似川芎和芸香香味,可提取芳香油。嫩茎叶可作蔬菜,阴干后茎叶可用作食品调料,不仅能增强食欲,而且还有较高的营养价值。种子烘炒研磨后则可制成咖啡代用品。早在19世纪,香豆就被广泛用于治疗多种疾病, Coumarin leguminous, also known as Huruba, vanilla, snow Sha, such as oat, annual herb, dried whole plant has a strong aroma, with high economic value, the international market in short supply. Sweet bean whole plant contains aroma, stems and leaves dried aroma, like Chuanxiong and rue scent, can be extracted aromatic oil. Stems and leaves can be used as vegetables, dried stems and leaves can be used as food seasoning, not only can enhance appetite, but also higher nutritional value. Grinding seeds can be made into coffee substitutes. As early as the 19th century, coumarin is widely used to treat many diseases,