Abstract: In this paper the materials are Pyracantha fortuneana fruit,which were harvested from Zhengzhou.The materials were treated by rinsing,desiccating and crushing.Extracts the Pyracantha fortuneana red pigment with soaking the acidic edible 70% ethyl alcohol,and conducts the research to this pigment stability.It is for the purpose of provides the basis for Zhengzhou city Pyracantha fortuneana resource research and the development.The result indicated that,the pigment under acidic condition to light,heat,commonly used food additive are all quite stable,which is one kind of moderate price,safeis reliable,easy to operate natural plant pigment.

Key words: Pyracantha fortuneana fruit, red pigment, extract, physicochemical characters