What will happen if you eat dead hairy crabs?
Recently, hairy crabs have been frequently searched as a popular autumn delicacy, but the safety of eating dead hairy crabs has also triggered widespread discussions. The following is a compilation of hot content on this topic across the Internet in the past 10 days, combined with the analysis of medical and food safety experts, to give you detailed answers.
1. The dangers of dead hairy crabs
After a hairy crab dies, bacteria will quickly grow in the body and release toxins. The main risks include:
| Hazard type | Specific performance | Hazard level |
|---|---|---|
| bacterial infection | Reproduction of Salmonella, Vibrio parahaemolyticus, etc. | high |
| Histamine poisoning | Causes blushing, headache, vomiting | Middle to high |
| biogenic amine accumulation | Cause allergy or shock | high |
2. Recent hot events
According to social media monitoring, the popularity of related topics in the past 10 days is as follows:
| Date | event | Hot search index |
|---|---|---|
| October 5 | A restaurant in Jiangsu sold dead crabs, causing a customer to be hospitalized | 852,000 |
| October 8 | Internet celebrity accidentally eats dead crab during live broadcast sparks discussion | 1.273 million |
| October 12 | State Administration for Market Regulation issues warning on crab consumption | 937,000 |
3. Timeline of poisoning symptoms
The following reactions may occur after eating dead hairy crabs:
| time | Symptoms | Countermeasures |
|---|---|---|
| 0-2 hours | numb lips and nausea | induce vomiting immediately |
| 2-6 hours | Diarrhea, abdominal pain | Supplement electrolytes |
| 6 hours later | Fever, muscle aches | emergency medical treatment |
4. Expert advice
1.Key points for purchasing: Crabs with rolling eyes and foaming are considered live crabs. Crabs that have been dead for more than 2 hours must not be eaten.
2.Save method: Live crabs should not be refrigerated for more than 3 days and must be covered with a wet towel
3.Emergency treatment: After accidental ingestion, drink plenty of salt water immediately and keep crab samples for medical testing.
5. Relevant popular science data
According to the latest data from food and drug testing agencies:
| Test items | Live crab value | Dead crab value after 4 hours |
|---|---|---|
| Total number of colonies (CFU/g) | ≤10^4 | ≥10^7 |
| Histamine content (mg/kg) | ≤20 | ≥200 |
| pH value | 7.2-7.6 | Below 6.8 |
Centers for Disease Control and Prevention in many places have recently issued warnings that 23 cases of food poisoning caused by eating dead crabs have been reported this year. Consumers should purchase through formal channels and be sure to confirm the activity of crabs before cooking. If you find a merchant selling dead crabs, you can call 12315 to report it.
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