[Chemical Knowledge]：What is carrageenan?

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Carrageenan is a natural adhesive, widely used in food, pharmaceutical, medical, cosmetics, printing, leather and other fields. It is a carbohydrate extracted from certain seaweeds (such as vegetables from the Western Pacific) or other plants. It has good adhesion and stability, so it has been widely recognized in industrial applications.

carrageenan has a long history. As early as the seventh century AD, the Tang Dynasty in ancient China began to use carrageenan to make cultural works of art such as paper, ink and plaster. Since then, carrageenan has been used in many fields for hundreds of years. In the 17th century, European travelers and explorers began to return to their hometowns and study and use them in industry. In the early 20th century, with the development of industrial technology, carrageenan gradually became an important raw material. The characteristics of

carrageenan are mainly reflected in the following three aspects:

it has good adhesive properties. Carrageenan can quickly form a viscous colloid and has a strong adhesion to the surface of various objects, which makes it can be widely used in different fields of product manufacturing. For example, carrageenan can be used to hold joints of metal, wood, paper, adhesives, and other materials, which is particularly useful in the manufacture of furniture, building materials, and electronic devices.

carrageenan can improve the viscosity and stability of the fluid. In many industries, such as the food, pharmaceutical and printing industries, where liquid and semi-solid substances need to be handled, the viscosity and stability of carrageenans are crucial. For example, in the food manufacturing process, carrageenan can be used to make a variety of foods such as gel, candy and milk drinks, the variability and quality of these foods may be greatly controlled by carrageenan.

Finally, carrageenan is very stable in air, water and other conditions. This property makes it an excellent protective agent, which can be used to make waterproof and heat-insulating materials, and can also be used to make toothpaste and other cosmetics to prevent them from dehydration and deterioration after opening. Although

carrageenan is widely used in various fields, it is not perfect and has some shortcomings. On the one hand, the performance of carrageenan in different environments is not exactly the same, and sometimes there will be problems such as poor fluidity and insufficient stability. On the other hand, since carrageenan is a natural biomass, it is necessary to pay attention to moisture and sun protection during storage and use to avoid damage to its quality.

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