pec·tic acid

(pĕk′tĭk)

Any of several transparent gelatinous acids that are insoluble in water and are formed by partial or complete hydrolysis of certain esters of pectin.

[French pectique, related to pectin, from Greek pēktikos, coagulating, from pēktos, coagulated; see pectin.]

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

pectic acid

(Elements & Compounds) a complex acid containing arabinose and galactose that occurs in ripe fruit, beets, and other vegetables. Formula: C35H50O33

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

pec′tic ac′id

any of several products of the hydrolysis of pectin esters.

[1825–35; < Greek pēktikós congealing =pēkt(ós) congealed (verbal adj. of pēgnýnai to fix in, make solid) + -ikos -ic]

ThesaurusAntonymsRelated WordsSynonymsLegend:

Noun

pectic acid - a complex acid that occurs in ripe fruit and some vegetables

acid - any of various water-soluble compounds having a sour taste and capable of turning litmus red and reacting with a base to form a salt

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References in periodicals archive

Similarly, the band at 1440 [cm.sup.-1] associated with [v.sub.s] (O=C-O) vibration of nonesterified groups in pectin was also overlapped with more intensive peak at 1419 [cm.sup.-1], which is typical for vs (COO-) of salts of pectic acid. Moreover, bands typical for deformation vibrations of absorbed water [delta] ([H.sub.2]O) (the signal around 1650 [cm.sup.-1]) could also influence on the bands in the region from 1600 [cm.sup.-1] to 1700 [cm.sup.-1], similar to the report of Chylinska et al.

Isolation and Characterization of Pectic Polysaccharide Fraction from In Vitro Suspension Culture of Fumaria officinalis L

Plant cell wall can be categorized into 3 layers: layer one is adhesive between cell and another called "middle lamella" composed of calcium pectate (pectic acid binding [Ca.sup.2+]), layer two is a real cell wall synthesized during cell division called "primary cell wall" composed of cellulose, hemicellulose, and pectic substances, and layer three synthesized after primary cell wall or in nongrowing stage of cell called "secondary cell wall" composed of cellulose, hemicellulose, and lignin [27, 28].

Capillary Water in Pericarp Enhances Hypoxic Condition during On-Tree Fruit Maturation That Induces Lignification and Triggers Translucent Flesh Disorder in Mangosteen (Garcinia mangostana L.)

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