Dextran T0.8 (Dextran 0.8; Dextran T0.8(MW 640-960)) 是一种食品添加剂，具有多孔网状结构而发挥强水合能力、低褐变率的活性。Dextran T0.8 (MW 800) 可改善乳制品凝固性并作为益生元用于烘焙食品。Dextran T0.8 (MW 800) 在 ~500 μg/mL 浓度下对 HeLa 细胞无毒性，美拉德反应中的相对褐变率低。Dextran 系列化合物还是一种天然多糖类药物载体剂，可通过酯键、酰胺键或点击化学等共价结合方式与药物连接，或自组装形成纳米粒子、水凝胶等载体。Dextran 具有生物可降解性和生物相容性，可实现药物的靶向递送与控释。Dextran 的衍生物可延长药物半衰期、提高局部浓度及降低免疫清除的活性。
| 生物活性 |
Dextran T0.8 (Dextran 0.8; Dextran T0.8(MW 640-960)) is a food additive with a porous network structure that exhibits strong hydration capacity and low browning activity. Dextran T0.8 (MW 800) can improve the coagulation of dairy products and is used as a prebiotic in baked goods. Dextran T0.8 (MW 800) is non-toxic to HeLa cells at a concentration of ~500 μg/mL and has a low relative browning rate in the Maillard reaction. The Dextran series of compounds are also natural polysaccharide drug carriers that can be connected to drugs through covalent bonding methods such as ester bonds, amide bonds or click chemistry, or self-assembled to form carriers such as nanoparticles and hydrogels. Dextran is biodegradable and biocompatible, and can achieve targeted delivery and controlled release of drugs. Dextran derivatives can prolong the half-life of drugs, increase local concentrations, and reduce the activity of immune clearance. |
|---|---|
| 分子式 |
(C6H10O5)N
|
| 分子量 |
640-960
|
| CAS号 |
9004-54-0
|
| 中文名称 |
葡聚糖；右旋糖酐
|
| 运输条件 |
Room temperature in continental US; may vary elsewhere. |
| 储存方式 |
Powder : -20°C 3 years 4°C 2 years In solvent : -80°C 6 months -20°C 1 month |
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