uronic acid


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Related to uronic acid: hyaluronic acid, Aldonic acid

u•ron′ic ac′id

(yʊˈrɒn ɪk)

n.
any of a group of organic acids, as glucuronic acid, derived from oxidation of aldose sugars and occurring in urine.
[1920–25; < Greek oûron urine (compare uro-1) + -ic]
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References in periodicals archive ?
Determination of Contents of Carbohydrate, Uronic Acid, and Protein.
Physicochemical Characterization of Polysaccharides with Macrophage Immunomodulatory Activities Isolated from Red Ginseng (Panax ginseng C. A. Meyer)
The sugar monomer and uronic acid content of the purified polysaccharides was influenced by both the type of fruit and fraction.
Purify, characterize health-promoting polysaccharides
The absorption peak at 1600 [cm.sup.-1] is related to the uronic acid carboxylate [36].
Organic/inorganic superabsorbent hydrogels based on xylan and montmorillonite
During the process, protopectin and pectin are degraded into galacturonic acid, increasing thus the content of uronic acid and methanol as well as the total acidity of the product.
Quantification of the major bioactive phytochemicals in the gabiroba (Campomanesia xanthocarpa Berg) juice/Quantificacao dos principais fitoquimicos bioativos no suco de gabiroba (Campomanesia xanthocarpa Berg)
The exopolysaccharides produced from R.glutinins was a novel uronic acid, mannose-rich acidic heteropolysaccharide composed of neutral sugars (85%)and uronic acid (15%).
Antifungal compounds produceby rhodotorulaglutinis and applications asbiocontrol
Pettersson, "Total dietary fiber determined as neutral sugar residues, uronic acid residues, and Klason lignin (the Uppsala method): collaborative study," Journal of AOAC International, vol.
Formation of short-chain fatty acids, excretion of anthocyanins, and microbial diversity in rats fed blackcurrants, blackberries, and raspberries
GAGs are linear polysaccharides made up of hundreds of repeating disaccharide units, which are composed of an amino sugar (N-acetylglucosamine, GlcNAc, N-acetylgalactosamine, GalNAc or glucosamine) and uronic acid (glucuronic acid, GlcUA or Liduronic acid, IdoUA) or galactose (Gal, only keratan sulfate).
Synthesis of neoproteoglycans using the transglycosylation reaction as a reverse reaction of endo-glycosidases
Method for uronic acid microanalysis by normal-phase partition chromatography (NPPC) with postcolumn fluoresceence deriva- teization has been reported[18].
Ultrasonically Assisted Extraction and HPLC Determination of Chondroitin Sulfate from Fish Heads
Compare to mango, ambarella pulp exhibits high uronic acid (21 mg/g) content and low pH (3.9) [21]; meaning that preparation of ambarella jam will need less pectin than that of mango.
Mango (Mangifera indica) and ambarella (Spondias cytherea) peel extracted pectins improve viscoelastic properties of derived jams
The total carbohydrate and uronic acid contents were determined by the phenol-sulfuric acid (Dubois et al.
Bupleurum Chinense DC polysaccharides attenuates lipopolysaccharide-induced acute lung injury in mice
For glycosaminoglycan (GAG), uronic acid and sialic acid analysis, 50 mg of velvet antler sample was decalcified in 1 ml 0.05 M [Na.sub.2]EDTA (pH 7.4, including 0.5 M Tris) for 2 days at 4[degrees]C.
Effect of antler development stage on the chemical composition of velvet antler in elk (Cervus elaphus canadensis)
Cell wall polysaccharides were quantified by the Uppsala total dietary fiber method for neutral monosaccharides and the Ahmed and Labavitch (1977) method for uronic acid quantitation.
Relationships between soybean seed cell wall polysaccharides, yield, and seed traits. (Crop Physiology & Metabolism)

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