Preparation of Cefquinome Nanoparticles by Using the Supercritical Antisolvent Process

Table 1

Factors and levels of the orthogonal array design.

Factor	Concentration of solution (mg/mL)	Cefquinome solution feeding speed (mL/min)	Precipitation pressure (Mpa)	Precipitation temperature (°C)
1	100	0.5	10	33
2	200	1	13	38
3	300	1.5	16	43