Causative organism
- Clostridium botulinum
Symptom
- Latency period 2 hours to 8 days (usually 12 to 36 hours)
- Symptoms Nerve palsy, thirsty, tongue entanglement, limb numbness
- Remarks There are types A to G, and poisoning is caused by A, B, E
Source of pollution
- Soil and animal feces are contaminated sources
E type is river mud - It is also detected from internal organs of fish caught in Tohoku and Hokkaido
- honey
Characteristic
- Type A die with heat at 100 degrees and die in 360 minutes
- E type is weak to heat 100 degrees and die in 5 minutes
- The fatality rate of A and B type is 70%
- The fatal rate of E type is 30%
- Extremely poisonous
- 3. It grows even at low temperature of 3 degrees
prevention
- Keep cans and retort food preservation methods
- Canned foods and retort foods are eaten as soon as possible after opening
- Wash and sterilize when bottling or vacuum packing etc. at home
- Heat at 80 ° C for 30 minutes or 100 ° C for several minutes immediately before meals
- Infants under 1 year old will not give botulinum suspected of contamination
Summar
- There are types A to E, poisoning is A, B, E
- AB is strong against heat and the fatal rate is 70%
- E is relatively weak to heat, the fatality rate is 30%
- Pay particular attention to infants under 1 year old (eg honey)
- Correct retention period and preservation method for canned food and retort food
- Canned foods and retort foods can be eaten as soon as possible after opening
Remarks
「食中毒」一覧表