D-Galacturonic acid: Difference between revisions

d-Galacturonic acid
Names
	IUPAC name β-D-Galactopyranuronic acid
Identifiers
CAS Number	685-73-4 ;
3D model (JSmol)	Interactive image; Interactive image;
ChEBI	CHEBI:4153 ;
ChemSpider	76444 ;
ECHA InfoCard	100.035.495
EC Number	211-682-6;
PubChem CID	84740;
UNII	2ENU0N1DRP ;
CompTox Dashboard (EPA)	DTXSID2042646 ;
	InChI InChI=1S/C6H10O7/c7-1-2(8)3(9)4(10)5(11)6(12)13/h1-5,8-11H,(H,12,13)/t2-,3+,4+,5-/m0/s1 Key: IAJILQKETJEXLJ-RSJOWCBRSA-N ; InChI=1/C6H10O7/c7-1-2(8)4(5(10)11)13-6(12)3(1)9/h1-4,6-9,12H,(H,10,11)/t1-,2+,3+,4-,6?/m0/s1 Key: AEMOLEFTQBMNLQ-YMDCURPLBW; InChI=1/C6H10O7/c7-1-2(8)3(9)4(10)5(11)6(12)13/h1-5,8-11H,(H,12,13)/t2-,3+,4+,5-/m0/s1 Key: IAJILQKETJEXLJ-RSJOWCBRBL;
	SMILES O=C(O)[C@H]1OC(O)[C@H](O)[C@@H](O)[C@H]1O; O=C[C@H](O)[C@@H](O)[C@@H](O)[C@H](O)C(=O)O;
Properties
Chemical formula	C6H10O7
Molar mass	194.139
Melting point	159 °C (318 °F; 432 K)
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

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Latest revision as of 17:19, 30 August 2024

d-Galacturonic acid is a sugar acid, an oxidized form of d-galactose. It is the main component of pectin, in which it exists as the polymer polygalacturonic acid.^[1] In its open form, it has an aldehyde group at C1 and a carboxylic acid group at C6. Other oxidized forms of d-galactose are d-galactonic acid (carboxylic group at C1) and meso-galactaric acid (mucic acid) (carboxylic groups at C1 and C6). It is also a uronic acid or hexuronic acid. Naturally occurring uronic acids are d-glucuronic acid, d-galacturonic acid, l-iduronic acid and d-mannuronic acid.

References

^ Mohnen, D. (2008). "Pectin structure and biosynthesis". Current Opinion in Plant Biology. 11 (3): 266–277. Bibcode:2008COPB...11..266M. doi:10.1016/j.pbi.2008.03.006. PMID 18486536.

[1] Mohnen, D. (2008). "Pectin structure and biosynthesis". Current Opinion in Plant Biology. 11 (3): 266–277. Bibcode:2008COPB...11..266M. doi:10.1016/j.pbi.2008.03.006. PMID 18486536.

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-'''{{sm|d}}-Galacturonic acid''' is a sugar acid, an oxidized form of [[galactose|{{sm|d}}-galactose]]. It is the main component of [[pectin]], in which it exists as the polymer [[polygalacturonic acid]].<ref>{{cite journal | doi = 10.1016/j.pbi.2008.03.006}}</ref> In its open form, it has an [[aldehyde]] group at C1 and a [[carboxylic acid]] group at C6. Other oxidized forms of {{sm|d}}-galactose are {{sm|d}}-galactonic acid (carboxylic group at C1) and ''meso''-galactaric acid ([[mucic acid]]) (carboxylic groups at C1 and C6). It is also a [[uronic acid]] or hexuronic acid. Naturally occurring uronic acids are {{sm|d}}-[[glucuronic acid]], {{sm|d}}-galacturonic acid, {{sm|l}}-[[iduronic acid]] and {{sm|d}}-[[mannuronic acid]].
+'''{{sm|d}}-Galacturonic acid''' is a sugar acid, an oxidized form of [[galactose|{{sm|d}}-galactose]]. It is the main component of [[pectin]], in which it exists as the polymer [[polygalacturonic acid]].<ref>{{cite journal | doi = 10.1016/j.pbi.2008.03.006| title = Pectin structure and biosynthesis| date = 2008| last1 = Mohnen| first1 = D.| journal = Current Opinion in Plant Biology| volume = 11| issue = 3| pages = 266–277| pmid = 18486536| bibcode = 2008COPB...11..266M}}</ref> In its open form, it has an [[aldehyde]] group at C1 and a [[carboxylic acid]] group at C6. Other oxidized forms of {{sm|d}}-galactose are {{sm|d}}-galactonic acid (carboxylic group at C1) and ''meso''-galactaric acid ([[mucic acid]]) (carboxylic groups at C1 and C6). It is also a [[uronic acid]] or hexuronic acid. Naturally occurring uronic acids are {{sm|d}}-[[glucuronic acid]], {{sm|d}}-galacturonic acid, {{sm|l}}-[[iduronic acid]] and {{sm|d}}-[[mannuronic acid]].
 ==References==