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When it comes to polysaccharides, dextran holds a special place in both scientific and industrial arenas. But among the various types of dextran available, which one stands out as the most commonly used? 

Dextran is a complex branched polysaccharide made up of glucose molecules linked together. It is naturally produced by certain bacteria and yeast, making it a fascinating subject for research and application in various fields, including medicine, food, and biotechnology.

Common Types of Dextran

While there are many types of dextran, the two most commonly referenced in research and industry are:
1. Dextran 40: With a molecular weight of about 40,000 Da, Dextran 40 is widely utilized as a plasma volume expander in medical settings. Its ability to increase blood volume rapidly makes it invaluable during surgeries or trauma scenarios.
2. Dextran 70: This variant has a higher molecular weight, around 70,000 Da, and is often used in similar applications but may provide different viscosity and fluid retention properties.

Why is Dextran Important?

Dextran's versatility comes from its unique properties that make it suitable for numerous applications. Here are some key reasons why dextran is highly regarded in various industries:
- Biocompatibility: Dextran is generally well tolerated by the body, making it safe for use in medical products.
- Stability: Its stable structure allows for a longer shelf life in pharmaceutical formulations.
- Versatile Applications: From drug delivery systems to food additives, dextran's ability to modify viscosity and improve solubility is unmatched.

Working with a Dextran GMP Manufacturer

When sourcing dextran for your projects, partnering with a reputable dextran GMP manufacturer is vital. Here’s why:
1. Quality Assurance: A GMP (Good Manufacturing Practices) manufacturer ensures that dextran is produced under strict quality control standards, minimizing contamination risks and ensuring consistency.
2. Regulatory Compliance: Working with a dextran GMP manufacturer guarantees that the product meets regulatory requirements necessary for pharmaceutical and medical applications.
3. Custom Formulations: Many manufacturers can offer tailored solutions to meet specific needs, whether it’s adjusting molecular weight or modifying the formulation for specialized applications.
4. Reliability: A trusted manufacturer provides not just a product but a partnership, ensuring that you receive a consistent supply of high-quality dextran.
5. Support and Expertise: Established manufacturers often provide technical support and expertise that can help navigate complex applications or troubleshooting.

In conclusion, when discussing the most commonly used dextran, Dextran 40 often comes to mind due to its wide-ranging applications in medical fields. Whether you are in pharmaceuticals, biotechnology, or food technology, understanding the importance of selecting the right dextran GMP manufacturer can dramatically impact the success of your projects.