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Description
TCI D4657 Dextrin is a mixture of polysaccharides obtained through the partial hydrolysis of starch, consisting of chains of glucose units that are shorter than those of the parent starch. Within the field of glycoscience, dextrin holds an important position as a versatile carbohydrate material: it serves as an enzyme substrate, as a carbon source in microbial growth media, as a binding agent in formulation work, and as a comparative or reference substance in carbohydrate analysis. Its role in the laboratory is broad because of its practicality in use and its compatibility with many routine analytical methods.
The properties that make dextrin such a widely chosen material begin with its solubility in water, which is considerably better than that of intact starch, allowing solutions to be prepared without the difficulties associated with less soluble starch preparations. It forms solutions or pastes whose viscosity can be adjusted simply by changing the concentration, giving the analyst direct control over working consistency. As a powder, it is easy to weigh accurately and straightforward to handle. Being a glucose polymer joined by glycosidic linkages, dextrin is a natural substrate for amylase and glucoamylase, which makes it especially useful in enzyme activity assays. Its relatively inert, non-toxic character and its ready digestibility by microorganisms also allow it to be used as a carrier, filler, or stabilising agent in a variety of preparations.
In Indonesian laboratories, dextrin is typically encountered in academic, research, and industrial quality-control settings where carbohydrate work is routine. Microbiology laboratories use it in the preparation of growth media, biochemistry and enzymology groups use it when characterising amylolytic enzymes, and food and agricultural laboratories use it in carbohydrate-related testing. Because it is a stable powder that is convenient to store and dispense, it fits well into teaching laboratories and routine testing workflows alike, where consistent handling and simple preparation are valued.
Laboratory Applications
- Enzyme activity assays — dextrin acts as a natural substrate for amylase and glucoamylase, so hydrolysis of its glycosidic linkages provides a direct and measurable readout of enzyme performance.
- Microbial culture media preparation — as a readily digestible carbohydrate, dextrin supplies a usable carbon source that supports the growth of microorganisms in laboratory-prepared growth media.
- Carbohydrate analysis reference material — dextrin serves as a comparative substance in carbohydrate testing, giving analysts a consistent polysaccharide reference against which sample behaviour can be assessed.
- Binder in formulation work — its ability to form pastes and solutions of adjustable viscosity makes dextrin an effective binding agent when preparing formulated laboratory or pilot-scale preparations.
- Carrier, filler, and stabiliser applications — because it is relatively inert and non-toxic, dextrin can be incorporated as a bulking or stabilising component without interfering with the active constituents present.
Specifications
- Brand: TCI
- CAS number: 9004-53-9
- Category: Chemistry > Chemical Biology > Glycoscience
- Product code: D4657
- Physical form: powder
- Pack sizes: available in standard TCI catalogue pack sizes; please confirm the required size when ordering
- Storage: store in a tightly closed container in a cool, dry place
Handling and Storage
Dextrin should be stored in a cool, dry location in its original tightly closed container, protected from moisture, since the powder can take up water from humid air and become difficult to weigh or dispense accurately. Glass or chemically compatible plastic containers with well-sealing closures are suitable for transfer and short-term working quantities. Use a clean, dry spatula for each withdrawal to avoid introducing moisture or contamination into the bulk material, and reseal the container promptly after use. Although dextrin is relatively inert and non-toxic, standard laboratory practice still applies: wear a lab coat, safety glasses, and gloves, avoid generating or inhaling airborne dust when weighing, work in a well-ventilated area, and clean any spilled powder immediately to prevent slippery surfaces and cross-contamination between preparations.
