uronic acid


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Related to uronic acid: hyaluronic acid, Aldonic acid

uronic acid

one of the monosaccharide unit in the repeating disaccharide units involved in the formation of glycosaminoglycans.
References in periodicals archive ?
In kernels of Sclerocarya birrea, uronic acids constituted more than 90% of both dietary fibre fractions.
Reed pulp had a lower hexenuronic acid content compared with the cellulosic pulps of eucalyptus wood, an expected result as the reed fibers showed a low uronic acid content.
Fucoidans are complex sulfated polysaccharides consisting mainly of sulfated L-fucose and variable proportions of galactose, mannose, xylose, glucose, rhamnose and uronic acids (Usov & Bilan, 2009).
The hydrolysate treated with sulphuric acid and uronic acid level was estimated in the presence of carbazole reagent with glucuronic acid lactone as standard (Bitter and Muir 1962).
lycopodium performed on a DEAE-cellulose column resulted in different chemical proportions of sulfate and total sugars contents among the SPs fractions, while the uronic acid content was almost equal among them (Table 1).
The glycosaminoglycan chains of HA and aggrecan share a similarity of disaccharides repeating units which are composed of uronic acid sugars (UA) and amino sugars [28].
Total, soluble and insoluble NSP and their constituent sugars were determined as alditol acetates by gas-liquid chromatography for neutral sugars, and by a colorimetric method for uronic acids using a modification of the Uppsala method (Theander et al.
The quantification of total uronic acid indicates the amount of free carboxyl and methoxylated total (AUA, %).
Various methods have been developed to identify and quantify GAGs in urine, many of them targeted to uronic acid or degradation products containing this moiety (18-23).
Heparin is a glycosaminoglycan polysaccharide with a carbohydrate backbone consisting of alternating uronic acid and hexosamine.
Hemicellulose is a highly branched, low molecular weight heteropolymers of various sugars as well as their uronic acid.