Glycogen
Description
Glycogen (CAS 9005-79-2), also known as animal starch or liver starch, is a branched polysaccharide derived from animal tissue, primarily liver and muscle. It functions as a humectant and moisture-retaining agent across food, pharmaceutical, and life sciences applications.
In food formulations, this compound is used to improve moisture retention and texture stability in processed and functional food products. Pharmaceutical manufacturers incorporate it as an excipient in tablet and capsule formulations where controlled moisture management is required.
In biotechnology and life sciences, it serves as a carrier and co-precipitant in nucleic acid extraction protocols. This application improves DNA and RNA yield from low-concentration samples, making it essential for molecular biology research and diagnostic development.
Cosmetic and personal care formulators also use it as a humectant ingredient in skin-conditioning products targeting moisture-binding performance. Its natural origin and biocompatibility make it a preferred choice for high-end topical formulations and dermatological applications.
The material is supplied as a white to off-white powder. It is available in research-grade and technical-grade specifications, with purity levels typically confirmed by enzymatic assay or carbohydrate content analysis to ensure consistent performance.
Pharmaceutical-grade material meeting USP or Ph.Eur. compendial standards is available for regulated manufacturing applications. These high-purity grades ensure compliance with international safety and quality requirements for sensitive production environments.
Physical Properties
| Melting Point | 148-149 °C |
| Density | 1.629 g/cm³ @ Temp: -5 °C |
| Appearance | White to off-white powder |
| Color | Off-white powder |
| Odor | Odorless |
| Form | liquid |
| Water Solubility | Soluble in water |
| Log P | -5.590 (est) |
Trade & Regulatory
| HS Code | 39139000 |
| Storage Class | 11 - Combustible Solids |
| WGK (Germany) | 3 |
Documentation
Other Names
309GSC92U1|Animal starch|Liver starch
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