Amylose
Catalog No : USB-296631
331.04€
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| Product name | Amylose | ||
|---|---|---|---|
| Catalog No | USB-296631 | ||
| Supplier’s Catalog No | 296631 | ||
| Supplier | US Biologicals | ||
| Source antigen | |||
| Reactivity | |||
| Cross reactivity | |||
| Applications | |||
| Molecular weight | 1200000000 | ||
| Storage | 4°C | ||
|---|---|---|---|
| Other names | |||
| Grade | Purified | ||
| Purity | Purified | ||
| Form | White to off-white powder | ||
| Reactivity life | 12 months | ||
| Note | For reserch purpose only | ||
| Description | Starch consists of two polysaccharides, amylose and amylopectin and represents approximately 20-25% of the total polysaccharide content in starch. Amylose molecules consist of single mostly unbranched chains of 500-20,000 α-(1->4)-D-glucose residues dependent on source (e.g. wheat, rice, potato, tapioca, etc). Amylose can form an extended shape (hydrodynamic radius 7-22 nm) but generally tends to wind up into a rather stiff left-handed single helix or form even stiffer parallel left-handed double helical junction zones. Hydrogen bonding between aligned chains causes retrogradation and releases some of the bound water (syneresis). The aligned chains may then form double stranded crystallites that are resistant to amylases. These possess extensive inter- and intra-strand hydrogen bonding, resulting in a fairly hydrophobic structure of low solubility. The amylose content of starches is thus the major cause of resistant starch formation. Synonyms: AO 512; AS 10; AS 110; AS 30; AS 30 (carbohydrate); AS 320; AS 5; AS 70; Amylose EX 1; EX-I; Kleptose Linecaps 17; Polyamylose; V Amylose; α-Amylose CAS No: 9005-82-7 Molecular Formula: (C6H10O5)n Molecular Weight: 12,000-16,000 Appearance: White to off-white powder Loss on Drying: ≤6% Storage and Stability: Store at 4ºC. Stable for 6 months after receipt. Important Note: This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological. Toxicity and Hazards: All products should be handled by qualified personnel only, trained in laboratory procedures. | ||
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