White lyophilized (freeze-dried) powder. The protein was lyophilized with no additives.
保存建议
Lyophilized IGFI although stable at room temperature for 3 weeks, should be stored desiccated below -18 degree C. Upon reconstitution IGF-1 should be stored at 4 degree C between 2-7 days and for future use below -18 degree C.