Pular para o conteúdo
Merck
Todas as fotos(1)

Documentos Principais

P3889

Sigma-Aldrich

Polygalacturonic acid

≥85% (titration), from oranges

Faça loginpara ver os preços organizacionais e de contrato


About This Item

Fórmula linear:
(C6H8O6)n
Número CAS:
Número MDL:
Código UNSPSC:
12352201
NACRES:
NA.25
Preço e disponibilidade não estão disponíveis no momento.

fonte biológica

oranges

Nível de qualidade

Ensaio

≥85% (titration)

Formulário

powder

cor

white to brown

pf

60 °C

solubilidade

aqueous NaOH: 1%, clear to hazy

temperatura de armazenamento

room temp

cadeia de caracteres 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

chave InChI

AEMOLEFTQBMNLQ-BKBMJHBISA-N

Procurando produtos similares? Visita Guia de comparação de produtos

Descrição geral

Polygalacturonic acid is composed of galacturonic acid unit arranged as a long polymer chain.[1] Methyl esters of polygalacturonic acid forms pectin.[2]

Aplicação

Polygalacturonic acid has been used:
  • in the preabsorption of 2F4 primary antibody solution[3]
  • as a substrate to determine polygalacturonase activity[4]
  • in the preparation of oligogalacturonates mixture which is used as a substrate to determine the specificities of different acetylesterases[5]

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.

Ações bioquímicas/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.

Outras 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 classe de armazenamento

11 - Combustible Solids

Classe de risco de água (WGK)

WGK 3

Ponto de fulgor (°F)

Not applicable

Ponto de fulgor (°C)

Not applicable

Equipamento de proteção individual

Eyeshields, Gloves, type N95 (US)


Escolha uma das versões mais recentes:

Certificados de análise (COA)

Lot/Batch Number

Não está vendo a versão correta?

Se precisar de uma versão específica, você pode procurar um certificado específico pelo número do lote ou da remessa.

Já possui este produto?

Encontre a documentação dos produtos que você adquiriu recentemente na biblioteca de documentos.

Visite a Biblioteca de Documentos

Os clientes também visualizaram

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
Pectin acetylesterases from Aspergillus are able to deacetylate homogalacturonan as well as rhamnogalacturonan
Bonnin E, et al.
Carbohydrate Polymers, 74(3), 411-418 (2008)
Kun Cheng et al.
Drug development and industrial pharmacy, 30(4), 359-367 (2004-05-11)
Insulin-loaded calcium pectinate nanoparticles were prepared as a potential colonic delivery system by ionotropic gelation with calcium ions. The effects of pectin molecular weight (Mv) and formulation pH on the characteristics of the nanoparticles were evaluated. Commercial pectins, LM101 and
Pectin acetylesterases from Aspergillus are able to deacetylate homogalacturonan as well as rhamnogalacturonan
E. Bonnin.
Carbohydrate Polymers, 74, 411-418 (2008)
Immunocytochemistry of pectins in shoot apical meristems: consequences for intercellular adhesion
Sobry S, et al.
Protoplasma, 225(1-2), 15-22 (2005)

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.

Questions

Reviews

No rating value

Active Filters

Nossa equipe de cientistas tem experiência em todas as áreas de pesquisa, incluindo Life Sciences, ciência de materiais, síntese química, cromatografia, química analítica e muitas outras.

Entre em contato com a assistência técnica