A7003
Alginic acid from brown algae
powder
Synonyme(s) :
Alginic acid from Macrocystis pyrifera (kelp), Mixed polymer of mannuronic and guluronic acid
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A propos de cet article
Formule linéaire :
(C6H8O6)n
Numéro CAS:
UNSPSC Code:
12171500
EC Number:
232-680-1
NACRES:
NA.47
MDL number:
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powder
Quality Level
technique(s)
titration: suitable
color
white to light yellow
pH range
1.5-3.5
mp
300 °C
solubility
H2O: insoluble, but swells, aqueous base: soluble
application(s)
diagnostic assay manufacturing
hematology
histology
storage temp.
room temp
General description
Alginic acid is a high molecular weight linear polymer isolated from seaweed. It is a linear β-1→4-linked polymer of n-mannuronic and L-guluronic acid. It is an acid polysaccharide present in the extracellular matrix of brown algae. It is reported to inhibit the reverse transcriptase activity of HIV. Structural investigation of alginic acid, a marine algal polysaccharide poly-α-L-guluronic acid, has been reported. Anti-inflammatory effect of alginic acid, isolated from the brown algae Sargassum wightii, in type II collagen induced arthritic rats has been reported. Pyrolysis of alginic acid using py-GC/MS over a wide temperature range (200-800°C) and thermogravimetric analysis (TGA) has been reported. It was reported to cause the biocorrosion of thin films of copper on germanium internal reflection elements (IREs).
Application
Alginic acid is suitable reagent used to study the in-vitro and in-vivo mitogenic activity of alginates. It is suitable for use in the spectrophotometric determination of transparent exopolymer particles by dye-binding assay.
Other Notes
A straight-chain, hydrophilic, colloidal, polyuronic acid composed primarily of anhydro-β-D-mannuronic acid residues with 1→4 linkage.
Classe de stockage
11 - Combustible Solids
wgk
WGK 2
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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Product Information Sheet
Structural components of alginic acid. II. The crystalline structure of poly-alpha-L-guluronic acid. Results of x-ray diffraction and polarized infrared studies.
E D Atkins et al.
Biopolymers, 12(8), 1879-1887 (1973-01-01)
C H Sarithakumari et al.
International immunopharmacology, 17(4), 1108-1115 (2014-01-22)
The present study evaluated the anti-inflammatory potential of alginic acid isolated from the brown algae Sargassum wightii in type II collagen induced arthritic rats, a well established arthritic model that resembles more closely to human rheumatoid arthritis in its clinical
Ramón Rial et al.
Nanomaterials (Basel, Switzerland), 10(7) (2020-07-09)
Hydrogels exhibit excellent properties that enable them as nanostructured scaffolds for soft tissue engineering. However, single-component hydrogels have significant limitations due to the low versatility of the single component. To achieve this goal, we have designed and characterized different multi-component