P3889
Polygalacturonic acid
≥85% (titration), from oranges
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About This Item
Linear Formula:
(C6H8O6)n
CAS Number:
MDL number:
UNSPSC Code:
12352201
NACRES:
NA.25
Recommended Products
biological source
oranges
Quality Level
Assay
≥85% (titration)
form
powder
color
white to brown
mp
60 °C
solubility
aqueous NaOH: 1%, clear to hazy
storage temp.
room temp
SMILES string
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
InChI key
AEMOLEFTQBMNLQ-BKBMJHBISA-N
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General description
Polygalacturonic acid is composed of galacturonic acid unit arranged as a long polymer chain. Methyl esters of polygalacturonic acid forms pectin.
Application
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.
Biochem/physiol Actions
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.
Other Notes
To gain a comprehensive understanding of our extensive range of Polysaccharides for your research, we encourage you to visit our Carbohydrates Category page.
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
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