The method is as follows:
1. The first step is to wash the shrimps and cut off the shrimp whiskers, just the pointed part in the front to avoid pricking your hands.
2. Hold a shrimp in your hand, grasp the tail with your thumb and index finger, insert the toothpick into the second or third section from the tail of the shrimp, and insert it under the shrimp line. , and then gently pick it out, so that basically the entire shrimp line is removed.
The composition of shrimp thread:
Shrimp thread is the body tissue of shrimp animals. Generally speaking, heavy metals tend to accumulate in the digestive system such as the intestinal tract of shrimp. The shrimp thread should be pulled out before cooking. The shrimp thread on the back of the shrimp is the waste that has not been excreted by the shrimp.
Removing shrimp threads is not only because there is dirt in the digestive tract of the shrimp, but also because the shrimp threads affect the taste, especially when steamed or braised in wine. The shrimp threads contain bitter substances, which are affected by heat. It will cover up the sweet taste of fresh shrimps.
After cooking (cooking), the bacteria in the shrimp threads will be killed by high temperature. It is safe, but the taste may be worse.