1) Freeze-dried 2) Lyophilised 3) Preserved 1) Lyophilised 2) Preserved 
[adj] - used of tissue or blood or serum or other biological substances
Freeze-dried; e.g. measles and BCG vaccines are transported as lyophilized powders which must be reconstituted with specific liquid diluents before use as injectable vaccines. Lyophilised vaccines must be discarded within 6 hours of reconstitution, or at the end of a vaccination session, whichever comes first.
lyophilised adjective used of tissue or blood or serum or other biological substances; dried by freezing in a high vacuum
Freeze dried