Three lectins have been isolated from leaves of Aloe vera L.ver. chinensis(Haw), Aloe barbadensis Mill and Aloe arborescens Mill which have pharmic value by gel filtration: Lec1, Lec2, Lec3. The main components and content of three lectins were analyzed.

• 分别从 3种有经济价值的芦荟品种 ；即中华芦荟 ( Aloevera L.；ver