The highest content of rotenone in Tephrosia vogelii is 0.43% in the leaf and 0.25% in the stem in Baoan county Guangdong Province.

• 栽种于深圳宝安的非洲山毛豆紫花品种的鱼藤酮含量较广东陆丰、和平、广州和广西南宁的高；叶中为0.；43%25；茎中为0