What is "pectic acid"

n. 1 an acidic derivative of a carbohydrate; the active constituent of pectin 2 (context chemistry English) a helical polymer of αD-galacturonic acid

n. a complex acid that occurs in ripe fruit and some vegetables

Pectic acid, also known as polygalacturonic acid, is a water-soluble, 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).