Xanthan gum, also known as xanthan gum, is a widely used microbial extracellular polysaccharide produced by Xanthomnas campestris using carbohydrates as the main raw material (such as corn starch) through fermentation engineering. It has unique rheological properties, good water solubility, stability to heat and acid and alkali, and good compatibility with a variety of salts. As a thickener, suspending agent, emulsifier, and stabilizer, it can be widely used in more than 20 industries such as food, petroleum, and medicine. It is currently the world's largest and most widely used microbial polysaccharide
Application
Due to its unique properties, xanthan gum has extremely wide applications in more than a dozen fields such as food, petroleum, medicine, and daily chemicals. Its high degree of commercialization and wide range of applications are far beyond the reach of any other microbial polysaccharide.1. Food: Xanthan gum is added to many foods as a stabilizer, emulsifier, suspending agent, thickener, and processing aid. Xanthan gum can control the rheology, structure, flavor and appearance of the product, and its pseudoplasticity can ensure a good taste, so it is widely used in salad dressings, bread, dairy products, frozen foods, beverages, condiments, brewing, candy, cakes, soups and canned foods.2. Daily chemical industry: Xanthan gum molecules contain a large number of hydrophilic groups, which is a good surfactant and has antioxidant and anti-aging effects. Therefore, almost all high-end cosmetics use xanthan gum as its main functional ingredient. In addition, xanthan gum can also be used as a component of toothpaste to thicken and shape, and reduce tooth surface wear.3. Medical aspect: Xanthan gum is a functional component in the microcapsule drug capsule material that is currently in great demand internationally, and plays an important role in controlling drug sustained release; due to its own strong hydrophilicity and water retention, it also has many specific medical operation applications, such as forming a dense water film to avoid skin infection; reducing the thirst of patients after radiotherapy, etc.4. Application in industry and agriculture: In the petroleum industry, due to its strong pseudoplasticity, a low concentration of xanthan gum (0.5%) aqueous solution can maintain the viscosity of the drilling fluid and control its rheological properties. Therefore, the viscosity is extremely small at the high-speed rotating drill bit, saving power; while the relatively static drilling part maintains high viscosity, thereby preventing the well wall from collapsing
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