Fish glue is the belly of a fish.

Fish glue is a food additive made from fish that is mainly used for thickening, coagulating and stabilizing the texture of food. It is usually made from collagen found in fish swim bladders, fish skin, fish scales, and other parts of the fish. The swim bladder (fish glue) is an important organ of the fish, also known as the fish maw or fish bulb. It is a gelatinous substance found in the body of fish and consists mainly of collagen and proteins. Fish bladder is usually white or light yellow in color, with a soft texture and delicate taste. As it is rich in collagen, it is widely used to make fish glue.

The color, texture and taste of fish glue made from different kinds of swim bladders vary. For example, fish glue made from shark swim bladder is darker in color, harder in texture and slightly chewy in taste, while fish glue made from whale swim bladder is lighter in color, softer in texture and delicate in taste. In addition, there are some other fish parts can also be made of fish glue, such as fish skin, fish scales, fish bones and so on.

Storage of fish glue

1, storage temperature: fish glue is best stored in a low-temperature dry place, avoid direct sunlight and high temperature and humidity. Generally speaking, the storage temperature should be controlled at about 5°C and relative humidity below 70%.

2, avoid moisture: fish glue is easy to absorb moisture in the air, so try to avoid moisture in storage. You can choose a good sealing container for storage, or place some desiccant to absorb moisture in the air.

3, avoid odor: the soft texture of fish glue, easy to adsorb the surrounding smell, so in storage to avoid mixing with other foods, so as not to affect its taste and quality.

4, pay attention to the shelf life: fish glue shelf life is relatively short, usually only a few months. Therefore, before using it, we must check whether its shelf life is expired, if it is expired, it can not be used again.

Refer to Baidu Encyclopedia - Fish Gum