Pectic acid

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Pectic acid
Pectic acid.svg
CAS number 9046-40-6 YesY
PubChem 439239
ChemSpider 388376 YesY
Jmol-3D images Image 1
Molecular formula (C6H8O6)n
Molar mass Variable
Except where noted otherwise, data are given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
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Infobox references

Pectic acid, also known as polygalacturonic acid, is a water-insoluble, transparent gelatinous acid existing in ripe fruit and some vegetables. It is a product of pectin degradation in plants, and is produced via the interaction between pectinase and pectin (the latter being common in the wine-making industry).


  • G. O. Aspinall and A. Cañas-Rodriguez (1958). "810. Sisal pectic acid". Journal of the Chemical Society: 4020–4027. doi:10.1039/JR9580004020.