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Orcinol

Definition

noun, plural:

A phenolic organic compound with the molecular formula of C7H8O2, and naturally occurs in some species of lichens.

Supplement

Orcinol may be obtained from some species of lichens such as Lecanora tinctoria and Rocella tinctoria for use in the production of the natural dye, orcein, and for use as a reagent in chemical tests such as Bial's orcinol test.


Related phrases: orcinol test.
Synonym: Orcin; 5-Methylresorcinol; 3,5-Dihydroxytoluene; 3,5-Toluenediol; 1,3-Dihydroxy-5-methylbenzene; 5-Methyl-1,3-benzenediol.
See also: Orcinol test.


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mutation of psb

That should've been keto- glucuronate , not glutarate (which may or may not be orcinol-positive, but isn't a sugar anyway).

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by blcr11
Tue May 15, 2007 6:58 pm
 
Forum: Molecular Biology
Topic: mutation of psb
Replies: 6
Views: 2986

mutation of psb

... acid. I would guess there’s HPLC and/or spectrophotometric/colorimetric assays. Keto-glutarate, for example, is (if I remember correctly) an orcinol-positive sugar, but then so are many sugars so if it needs to be specific, there has to be some sort of separation before quantitation.

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by blcr11
Mon May 14, 2007 6:11 pm
 
Forum: Molecular Biology
Topic: mutation of psb
Replies: 6
Views: 2986


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