osazone


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osazone

[′ō·sə‚zōn]
(biochemistry)
Any of the compounds that contain two phenylhydrazine residues and are produced by a reaction between a reducing sugar and phenylhydrazine.
References in periodicals archive ?
After hydrolysis, the presence of carbohydrates in the hydrolyzed samples was investigated by different biochemical tests including Molisch Test, Iodine Test, Benedict's Test, Tollen Test, Barfoed's Test, Fehling's solution Test, Osazone Test, Seliwanoff's Test and Bial's Test.
These patients were taken for osazone test (4) to differentiate the types of reducing sugar in stool sample on basis of shape of crystal seen under light microscope.
We added hydrazine monohydrate to the reaction mixture to trap cholest-4-ene-3-one, similar to the phenylhydrazine reaction used to produce osazone from aldose (15).
Osazone formation is the direct reaction of any of these carbohydrates (glucose, fructose and mannose) with phenyl hydrazine which resulted in the formation of crystalline colored compounds which was applied for the qualitative analysis of these compounds.