What kind of fish is herring? Why does the can stink so bad? How long is the shelf life?

In recent years, canned herring, a traditional Swedish food, has become an "Internet celebrity" and is well known for its special smell. Do you know what kind of fish herring is? Why is canned herring eaten so smelly? How long is the shelf life of the can?

What kind of fish is herring?

1. Brief introduction

Herring is also called herring, including sardines, herring and other small fish. Herring is a seasonal fish, which is produced in the coastal waters of China.

two。 Shape

The fish body is flattened, the fish body length is 20-40 cm, the fish head is small, the fish eye is larger, the mouth is large and the branchial cleft is longer, the fish body color is bluish blue, the dorsal fin and anal fin are symmetrical, the caudal handle is thin, and the caudal fin is wedge-shaped. Many herring have no teeth or have weak teeth.

two。 Fishing

The main producing areas of herring in China are Qingdao, Yantai in Shandong Province and Dalian in Liaoning Province. The capture season is mainly from October to November.

Why does canned herring smell so bad that people still eat it?

1. How smelly is the canned herring?

Canned herring is the most smelly food in the world, and people who have never eaten pickled herring often cover their noses because of its pungent stench, and the Swedish government also stipulates that canned herring is not allowed to be opened in residential areas, because the stench of herring is so hard to dissipate.

two。 Reason

The unique feature of pickled herring lies in its natural fermentation. in order to ensure that the herring does not rot and deteriorate during fermentation, the makers always put the newly salvaged herring in light salt water and boil it in a warm fire, then put it into a can and let it ferment naturally. The fermented herring became sticky, juicy and smelly.

3. Why do people still eat?

Tradition: people in Sweden hold parties specially for tasting herring on the 3rd Thursday in August, which is said to be the time when pickled herring tastes best.

Curiosity: some people have a sense of curiosity about "notorious" canned herring and always want to know how smelly it is, so there is always no shortage of people who try it.

How long is the shelf life of canned herring?

The shelf life of canned herring is usually three to five years. Although the smell of canned herring is bad, it will not be a problem to eat during the shelf life.

However, I would like to remind you that if you do not want to eat, it is best to eat in an open place, and the vomit must be cleaned up.