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[Chemical Knowledge]：Properties and uses of mannitol

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Mannitol is a widely used raw material in the field of chemical production, with a variety of important properties and uses. This article will introduce in detail the properties of mannitol, production methods and applications in different fields.

1. the properties of mannitol

mannitol is a polyhydric alcohol compound, molecular formula C6H14O6, with sweet taste and hygroscopicity. It is easily soluble in water and slightly soluble in ethanol and other organic solvents. Mannitol has a strong moisture retention, able to absorb moisture in the environment and retain moisture. In addition, mannitol is also resistant to oxidation and stability, and can remain stable under high temperature and acidic conditions.

2. Mannitol Production Methods

Mannitol can be produced by a variety of methods, where commonly used methods include chemical synthesis and biological fermentation. Chemical synthesis is mainly through the hydrogenation of gluconolactone and sodium hydroxide reaction to obtain mannitol. The law of biological fermentation is to use microorganisms to ferment carbon sources such as glucose to produce mannitol.

3. the use of mannitol

1. medical field: mannitol is widely used in the medical field of oral or intravenous injection of osmotic diuretic, can increase the plasma osmotic pressure, promote the body of excess water discharge, thereby reducing the symptoms such as edema. In addition, mannitol also has the effect of reducing intracranial pressure and can be used to treat neurological diseases such as brain edema.
2. Food field: As a natural sweetener, mannitol is widely used in food. It has the characteristics of low calorie and high sweetness, which can be used to replace part of sucrose and reduce the calorie of food. At the same time, mannitol also has a moisturizing effect, can improve the taste and texture of food.
3. Cosmetics: Mannitol has good moisture retention and antioxidant properties, which can be used in cosmetics to increase skin moisture retention and delay aging. In addition, mannitol also has the effect of soothing skin sensitivity, can be used in anti-allergy cosmetics.
4. other areas: mannitol can also be used in the production of alkyd resin, polyester resin and other polymer materials, as well as as additives for ink, paint and other industries.

4. Mannitol Market Prospect

With the continuous improvement of people's health and quality of life requirements, mannitol is more and more widely used in medicine, food, cosmetics and other fields. In the future, with the progress of science and technology and the deepening of research, the application field of mannitol will be further expanded, and the market demand will continue to increase. At the same time, with the improvement of environmental awareness and the promotion of sustainable development requirements, environmental protection production methods such as biological fermentation will receive more attention and application, and the production of mannitol will also be more green and environmentally friendly.

In conclusion, mannitol, as an important raw material for chemical production, has a wide range of properties and uses. In the future, with the increase of market demand and the promotion of scientific and technological progress, the production and application of mannitol will be more extensive, bringing more contributions to people's lives and health.

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