Clostridium botulinum bacteria found in soil, is in the shape of a half - on cultural สีแก positive (Gram-positive) สามารถเจริญ well with low oxygen condition And there will be building up within a day 3-4 toxins in the optimum condition. The toxins build up are called "Botulinum toxin", which is 7 type is A B C D,,,,,, G E F and specific types of A B E,,, and F only cause human illness. If the intake of food with this type of toxin contamination only 1 ppb. Will cause a condition called "botulism (botulism.)" symptoms are double vision, nausea, vomiting, dizziness and shortness of breath paralysis, died due to respiratory failure. The symptoms can be within the 12-36 hours after consumption of food and may die within 3-6 days.
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