HPLC method for determination of the total content, the content per spout, the deposition ratio in the effective position and R -isomer in budesonide aerosol was presented.

• 采用HPLC法测定了布地奈德气雾剂中布地奈德总量、每揿含量、有效部位药物沉积量及R-异构体的含量。