乌桕（SapiumsebiferumRoxb）是我国四大木本油料树种之一，被誉为“绿色原子弹”和“特种油料植物”。世界上不少国家把乌桕林作为２１世纪重要的绿色能源，如美国８０年代在其沿河地带已营造２０００万hm２的乌桕林。从乌桕籽白色的表皮中取得的油脂称“皮油”，皮油不仅可以 Sapium sebiferum Roxb is one of the four woody oilseed species in China, and is known as “green atomic bomb” and “special oilseed plant.” Many countries in the world regard Wuzhulin as an important green energy source in the 21st century. For example, in the 1980s, the United States created 20 million hm2 of Wuzhaulin in its coastal areas. The oil obtained from the white epidermis of the jackfruit seed is called “petrol oil”, and the petrol oil can not only be used