How to clean river crabs
In the past 10 days, cleaning methods for river crabs have become a hot topic, especially among food lovers. River crab is a seasonal delicacy in autumn, and its cleaning steps directly affect the taste and food safety. This article will give you a detailed introduction to the cleaning methods of river crabs based on the hot topics on the Internet, and attach relevant data comparisons.
1. The Importance of Cleaning River Crabs

River crabs live in freshwater environments, and may have sediment, parasites or bacteria attached to their bodies. Proper cleaning can not only remove impurities, but also reduce the fishy smell and improve the tenderness of the meat. Recently, cases of "incomplete cleaning leading to diarrhea" have sparked heated discussions on social media, further highlighting the need for standardized cleaning.
2. Detailed explanation of cleaning steps for river crabs
| steps | How to operate | duration | Tools |
|---|---|---|---|
| 1. Preliminary rinse | Rinse the surface of the crab body with running water | 2-3 minutes | clear water |
| 2. Soak in salt water | Soak in light salt water (5%) | 15-20 minutes | Basin/Bucket |
| 3. Brush | Use a soft-bristled brush to clean crab belly and joints | 3-5 minutes/only | Toothbrush/Crab Brush |
| 4. Second rinse | Rinse thoroughly with running water | 1-2 minutes | clear water |
3. Comparison of the effects of different cleaning methods
| method | Decontamination rate | survival rate | Taste impact |
|---|---|---|---|
| Rinse with water only | 60%-70% | 100% | Fishy smell remains |
| Salt water soak + brushing | More than 95% | 98% | Fresh and sweet without any fishy smell |
| White wine soaking method | 85%-90% | 90% | Penetration of wine aroma |
4. Cleaning precautions
1.Avoid excessive scrubbing: It may damage the crab shell and lead to the loss of nutrients. Recently, a video of a food blogger causing crab roe leakage due to "violent cleaning" received millions of views.
2.water temperature control: It is advisable to use water at normal temperature of 20-25℃. Too cold water will stimulate the crabs to secrete mucus.
3.Tool selection: It is recommended to use nylon soft-bristled brushes, as metal brushes can easily scratch crab shells (data from an e-commerce platform shows that weekly crab brush sales increased by 120% month-on-month).
5. Expert advice
The latest research from the Chinese Academy of Fisheries Sciences points out: it is recommended to useSoak in ice water for 1 minute, can make the crab meat firmer. This method has been played more than 50 million times on Douyin-related topics.
6. Special handling techniques
Regarding the recently hotly discussed issue of “crab gill cleaning”:
• You can gently press both sides of the crab shell to open the crab's mouth slightly, and rinse the gills with a thin stream of water.
• Or cut off the gills before steaming (make sure the crabs are fresh)
7. Storage suggestions
If not eaten immediately after washing:
| Storage method | How long to keep fresh |
|---|---|
| Wrap in wet towel and refrigerate | 12 hours |
| Shallow water culture (aeration) | 24 hours |
Through the above structured data and method guidance, I believe you can handle river crabs more scientifically. It is recommended to bookmark this article so that you can check the latest cleaning tips at any time. If you find other innovative methods, please share and discuss them in the comment area.
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