There is a certain amount of shrimp yellow in the head of prawns, that is, the golden yellow part. Although the color is a bit like "excrement", it is not shrimp excrement. The shrimp yellow is generally between the body and the head of prawns. There are more shrimp yellow in the case of female shrimps, but there may be less in the case of male shrimps. Many people know that shrimp yellow is nutritious and rare things are precious, but even so, it is not suitable for everyone. The cholesterol content in shrimp yellow is also very high, so

Yellow shrimp can be eaten, but it doesn't mean that the head of shrimp can also be eaten. For example, the black things in the head of shrimp can't be eaten, and it is also connected with shrimp thread. There are many parts in the head of shrimp, and the environment in which shrimp grows is not clean. The head is the easiest place to hide bad substances such as sediment and bacteria, which may have a great impact on health if eaten.

However, from a health point of view, if you don't know whether the shrimp is clean or not, you should eat less shrimp yellow, and it's better not to eat it at all, because the shrimp yellow is also easily polluted. If you want to eat shrimp, you can rest assured that you must cook it yourself. Like the drunken shrimp that many people like to eat, it is actually not fully cooked, and it may contain a lot of parasites and other harmful substances. Eating such shrimp is undoubtedly asking for trouble.

Method for selecting prawns:

1, look at the color: fresh prawns are usually blue or gray, and some varieties are blue or red, with smooth and shiny surfaces.

2, shrimp meat is elastic: put on disposable gloves, pinch the prawns with your hands and feel the elasticity of shrimp meat. If the shrimp meat is elastic, it means it is fresh. If it is soft, it means it is not fresh and has been put for a long time. Straighten the shrimp tail with your fingers to see if it can retract and bend. If it can be said that it is fresh, it will not be fresh if it cannot.

3, smell: fresh frozen shrimp, smells nothing, even the fishy smell can not be smelled. If the smell is strong, it means that it has been thawed for a long time. If it has a bad smell and sour taste, it has deteriorated due to improper preservation.

4, the surface is smooth and not sticky: fresh frozen shrimp, the surface should be smooth, if it feels sticky, it is caused by breeding bacteria.