鸦胆子,又名老鸦胆、鸦胆、苦榛子、苦参子、鸦蛋子、鸭蛋子、鸭胆子、解苦楝、小苦楝,为苦木科植物鸦胆子的干燥成熟果实。秋季果实成熟时采收,除去杂质,晒干。以粒大、色黑、饱满、种仁色白、油性足者为佳。植物鸦胆子主要分布于福建、台湾、广东、广西、海南、云南等省和自治区,多生于山麓、林缘、灌木丛、草地、路旁向阳处。鸦胆子植物为灌木或小乔木,嫩枝、叶柄和花序均被黄色柔毛。奇数羽状复叶,互生,小 Brucea javanica, also known as raven, javanica, bitter hazelnut, Sophora flavescens, jackfruit, duck egg, duck gall, solution Melia, a small Melia, for the hardwood plants Brucea dry ripe fruit. Harvest fruits in autumn, remove impurities and dry. To grain size, color black, full, seed color white, oily foot is better. Brucea javanica is mainly distributed in Fujian, Taiwan, Guangdong, Guangxi, Hainan, Yunnan and other provinces and autonomous regions, mostly born in the foothills, forest margin, shrubs, grasslands, sunny roadside. Bruceae plants are shrubs or small trees, young shoots, petioles and inflorescences are yellow pilose. Odd pinnate compound, alternate, small