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Merck

P3889

Sigma-Aldrich

Polygalacturonic acid

≥85% (titration), from oranges

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About This Item

Fórmula lineal:
(C6H8O6)n
Número de CAS:
Número MDL:
Código UNSPSC:
12352201
NACRES:
NA.25

origen biológico

oranges

Nivel de calidad

Ensayo

≥85% (titration)

Formulario

powder

color

white to brown

mp

60 °C

solubilidad

aqueous NaOH: 1%, clear to hazy

temp. de almacenamiento

room temp

cadena SMILES

O1[C@@H]([C@@H]([C@H]([C@H]([C@H]1C(=O)O)O)O)O)O

InChI

1S/C6H10O7/c7-1-2(8)4(5(10)11)13-6(12)3(1)9/h1-4,6-9,12H,(H,10,11)/t1-,2+,3+,4-,6-/m0/s1

Clave InChI

AEMOLEFTQBMNLQ-BKBMJHBISA-N

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Descripción general

Polygalacturonic acid is composed of galacturonic acid unit arranged as a long polymer chain. Methyl esters of polygalacturonic acid forms pectin.

Aplicación

Polygalacturonic acid has been used:
  • in the preabsorption of 2F4 primary antibody solution
  • as a substrate to determine polygalacturonase activity
  • in the preparation of oligogalacturonates mixture which is used as a substrate to determine the specificities of different acetylesterases

Polygalacturonic acid sequesters metal ions. It also produces gels in the presence of Ca2+ that can be used for drug release or to immobilize cells or enzymes for the production of biomolecules.

Acciones bioquímicas o fisiológicas

In land plants, polygalacturonic acids are major components of cell wall polysaccharides (pectins). Bound polygalacturonase-inhibiting peptides (PGIP) protect pectin from degradation by fungal polygalacturonases.

Otras notas

To gain a comprehensive understanding of our extensive range of Polysaccharides for your research, we encourage you to visit our Carbohydrates Category page.

Código de clase de almacenamiento

11 - Combustible Solids

Clase de riesgo para el agua (WGK)

WGK 3

Punto de inflamabilidad (°F)

Not applicable

Punto de inflamabilidad (°C)

Not applicable

Equipo de protección personal

Eyeshields, Gloves, type N95 (US)


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Visite la Librería de documentos

Bacterial Wilt Disease: Molecular and Ecological Aspects, 171-171 (1998)
Zhangyong Dong et al.
BMC biochemistry, 12, 51-51 (2011-09-17)
Fusarium wilt is an economically devastating disease that affects banana production. Although Cavendish banana cultivars are resistant to Fusarium oxysporum f.sp. cubense race 1 (FOC1) and maitain banana production after Gros Michel was destructed by race 1, a new race
Pectin acetylesterases from Aspergillus are able to deacetylate homogalacturonan as well as rhamnogalacturonan
Bonnin E, et al.
Carbohydrate Polymers, 74(3), 411-418 (2008)
Marianne Hiorth et al.
International journal of pharmaceutics, 308(1-2), 25-32 (2005-12-06)
This study has investigated the potential of immersion coating calcium containing pellet cores first with pectin, and then with two different cross-linkers, calcium or chitosan. The interaction between pectin and calcium, and between pectin and chitosan, are believed to slow
S K Wiedmer et al.
Electrophoresis, 21(15), 3212-3219 (2000-09-23)
Polygalacturonic acid, a linear homopolysaccharide, was investigated by capillary electrophoresis (CE) using linear polyacrylamide-coated capillaries and laser-induced fluorescence (LIF) detection. A successful separation of its fluorescently labeled oligomers was achieved through sieving in polyacrylamide entangled matrices. The reaction conditions for

Protocolos

To measure pectinase activity, a titrimetric stop reaction assay is used. One unit of pectinase will liberate 1 μmol of galacturonic acid from poly-galacturonic acid per hour at pH 4.0 at 25 °C.

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