Table 1. Freeze-drying conditions.

Phase	Temperature (°C)	Step (rmp/hold)	Time (min)	Vacuum (mTorr)
Pre-cooling	–45	R	30	N/A
	–45	H	30	N/A
Primary drying	–40	R	60	60
	–40	H	1100	60
	–40	H	1000	60
Secondary drying	+20	R	120	60
	+20	H	360	60