title: Effect of frozen storage time on heat inactivation of Clostridium botulinum type E toxin.
abstract: Type E toxin of Clostridium botulinum, stored in the frozen state, retained its original toxicity level but lost its heat stability as the storage time increased.
mesh_terms: D000693:Anaerobiosis; D000818:Animals; D001905:Botulinum Toxins / Q000633:toxicity*; D003014:Clostridium botulinum / Q000254:growth & development; D004356:Drug Storage; D005396:Fish Products; D005516:Food Microbiology; D005615:Freezing; D006358:Hot Temperature; D006863:Hydrogen-Ion Concentration; D012474:Salmon; D012703:Serotyping; D013997:Time Factors; D014357:Trypsin; D003313:Zea mays
chemical_list: D014357:Trypsin; D001905:Botulinum Toxins