Misplaced Pages

Leucoanthocyanidin: Difference between revisions

Article snapshot taken from Wikipedia with creative commons attribution-sharealike license. Give it a read and then ask your questions in the chat. We can research this topic together.
Browse history interactively
Page 1
Page 2
← Previous editContent deleted Content addedVisualWikitext
Revision as of 07:22, 10 July 2011 editCheMoBot (talk | contribs)Bots141,565 edits Updating {{chembox}} (changes to watched fields - updated 'UNII_Ref', 'ChemSpiderID_Ref', 'StdInChI_Ref', 'StdInChIKey_Ref', 'ChEMBL_Ref', 'KEGG_Ref') per Chem/Drugbox validation (report [[Wikipe← Previous edit Latest revision as of 00:34, 30 July 2023 edit undoJosve05a (talk | contribs)Autopatrolled, Extended confirmed users, New page reviewers, Pending changes reviewers, Rollbackers155,024 edits Reference edited with ProveIt #proveit | Alter: template type. Add: s2cid, pmid, pages, issue, volume, journal, year, title, doi, authors 1-8. Changed bare reference to CS1/2. | Use this tool. Report bugs. | #UCB_GadgetTag: ProveIt edit 
(26 intermediate revisions by 23 users not shown)
Line 1: Line 1:
{{chembox {{chembox
| Watchedfields = changed | Watchedfields = changed
| verifiedrevid = 415494452 | verifiedrevid = 438705534
| Name = Leucoanthocyanidin | Name = Leucoanthocyanidin
| ImageFile = Leucoanthocyanidin.PNG | ImageFile = Flavan-3,4-diol.svg
| ImageFile2 = Leucoanthocyanidin 3D BS.png
| ImageSize = 200px
| IUPACName = 2-phenyl-3,4-dihydro-2H-chromene-3,4-diol | IUPACName = Flavan-3,4-diol
| SystematicName = 2-Phenyl-3,4-dihydro-2''H''-1-benzopyran-3,4-diol
| OtherNames = ]-3,4-diol<!-- <br> --> | OtherNames = <!-- <br> -->
| Section1= {{Chembox Identifiers |Section1={{Chembox Identifiers
⚫ | CASNo =
| CASNo_Ref = {{cascite|correct|CAS}}
⚫ | PubChem = 5318979
⚫ | CASNo = 5023-02-9
⚫ | SMILES = C1=CC=C(C=C1)C2C(C(C3=CC=CC=C3O2)O)O
| UNII_Ref = {{fdacite|correct|FDA}}
| UNII = EH726HE44D

⚫ | PubChem = 5318979
⚫ | SMILES = C1=CC=C(C=C1)C2C(C(C3=CC=CC=C3O2)O)O
}} }}
|Section2= {{Chembox Properties |Section2={{Chembox Properties
| C=15 | H=14 | O=3
| Formula = C<sub>15</sub>H<sub>14</sub>O<sub>3</sub>
| Appearance =
| MolarMass = 242.26 g/mol
| Density =
| ExactMass = 242.094294 u
| Appearance = | MeltingPt =
| Density = | BoilingPt =
| MeltingPt = | Solubility =
| BoilingPt =
| Solubility =
}} }}
|Section3= {{Chembox Hazards |Section3={{Chembox Hazards
| MainHazards= | MainHazards=
| FlashPt= | FlashPt=
| AutoignitionPt =
| Autoignition=
}} }}
}} }}
'''Leucoanthocyanidin''' (flavan-3,4-diols) are colorless chemical compounds related to anthocyanidins and ]s. Leucoanthocyanins can be found in '']'' and in several species of '']'' including '']'', '']'', '']'', '']'' and '']''. '''Leucoanthocyanidin''' (flavan-3,4-diols) are colorless chemical compounds related to ]s and ]s. Leucoanthocyanins can be found in '']'' and in several species of '']'' including '']'', '']'', '']'', '']'', and '']''.{{Citation needed|date=December 2019|reason=removed citation to predatory publisher content}}


Such compounds are : Such compounds include:
* ] * ]
* ] * ]
* ]
* Leucomalvidin * ]
* ] * ]
* ] * ]
* ] * ]
* ] * ]
* ] from '']'' and '']'' heartwoods<ref>Flavan derivatives. XIX. Teracacidin and isoteracacidin from Acacia obtusifolia and Acacia maidenii heartwoods; Phenolic hydroxylation patterns of heartwood flavonoids characteristic of sections and subsections of the genus Acacia. JW Clark-Lewis and I Dainis, Australian Journal of Chemistry, 20(10), pp. 2191-2198, {{doi|10.1071/CH9672191}}</ref> * ] from '']'' and '']'' heartwoods<ref>{{cite journal | last1 = Clark-Lewis | first1 = JW | last2 = Dainis | first2 = I | year = 1967| title = Flavan derivatives. XIX. Teracacidin and isoteracacidin from ''Acacia obtusifolia'' and ''Acacia maidenii'' heartwoods; Phenolic hydroxylation patterns of heartwood flavonoids characteristic of sections and subsections of the genus ''Acacia'' | journal = Australian Journal of Chemistry | volume = 20 | issue = 10| pages = 2191–2198 | doi = 10.1071/CH9672191 }}</ref>


Leucoanthocyanidins have been demonstrated to be intermediates in anthocyanidin biosynthesis in flowers of '']''<ref name="Heller"></ref>. Leucoanthocyanidins have been demonstrated to be intermediates in anthocyanidin biosynthesis in flowers of '']''.<ref name="Heller">{{cite journal | url=https://doi.org/10.1007%2FBF00393505 | doi=10.1007/BF00393505 | title=Leucoanthocyanidins as intermediates in anthocyanidin biosynthesis in flowers of Matthiola incana R. Br. | year=1985 | last1=Heller | first1=Werner | last2=Britsch | first2=Lothar | last3=Forkmann | first3=Gert | last4=Grisebach | first4=Hans | journal=Planta | volume=163 | issue=2 | pages=191–196 | pmid=24249337 | s2cid=20854538 }}</ref>


] recommended in 1954 the use of the ] solvent for the isolation of leuco-anthocyanins.<ref>Bate-Smith, E. C., Leuco-Anthocyanins, Biochem J. 1954 Sept; 58(1), pp. 122–125. (retrieved 27 sept 2010 http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1269852/pdf/biochemj01081-0129.pdf )</ref> ] recommended in 1954 the use of the ] solvent for the isolation of leuco-anthocyanins.<ref>{{cite journal | pmc = 1269852 | pmid=13198862 | volume=58 | issue=1 | title=Leuco-anthocyanins. 1. Detection and identification of anthocyanidins formed leuco-anthocyanins in plant tissues | date=September 1954 | journal=Biochem. J. | pages=122–5 | last1 = Bate-SMITH | first1 = EC | doi=10.1042/bj0580122}}</ref>


==Metabolism== ==Metabolism==
] uses flavan-3,4-diols to produce ]<ref></ref>. The gene encoding the enzyme (PpLDOX) has been identified in ]<ref></ref> and expression has been studied in '']''<ref></ref>. ] uses flavan-3,4-diols to produce ].<ref>{{Cite web |url=http://www.mondofacto.com/facts/dictionary?leucoanthocyanidin+dioxygenase |title=leucoanthocyanidin dioxygenase on mondofacto.com |access-date=2009-09-03 |archive-url=https://web.archive.org/web/20120304214423/http://www.mondofacto.com/facts/dictionary?leucoanthocyanidin+dioxygenase |archive-date=2012-03-04 |url-status=dead }}</ref> The gene encoding the enzyme (PpLDOX) has been identified in ]<ref>{{cite journal | url=https://doi.org/10.1007%2Fs11295-007-0130-0 | doi=10.1007/s11295-007-0130-0 | title=Leucoanthocyanidin dioxygenase gene (PpLDOX): A potential functional marker for cold storage browning in peach | year=2008 | last1=Ogundiwin | first1=E. A. | last2=Peace | first2=C. P. | last3=Nicolet | first3=C. M. | last4=Rashbrook | first4=V. K. | last5=Gradziel | first5=T. M. | last6=Bliss | first6=F. A. | last7=Parfitt | first7=D. | last8=Crisosto | first8=C. H. | journal=Tree Genetics & Genomes | volume=4 | issue=3 | pages=543–554 | s2cid=22579882 }}</ref> and expression has been studied in '']''.<ref></ref>


==References== ==References==
Line 54: Line 58:


] ]
]

]
]