Benedict's qualitative reagent for glucose
E470215
Benedict's qualitative reagent for glucose is a chemical solution used in clinical and laboratory settings to detect and estimate reducing sugars, particularly glucose, through a characteristic color change upon heating.
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
chemical reagent
ⓘ
diagnostic reagent ⓘ qualitative analytical reagent ⓘ |
| alsoKnownAs | Benedict's reagent NERFINISHED ⓘ |
| appearance | blue solution ⓘ |
| brickRedPrecipitateIndicates | high concentration of reducing sugar ⓘ |
| carbonateRole | provides alkaline medium ⓘ |
| citrateRole | complexes copper(II) ions ⓘ |
| colorChange |
blue to brick-red
ⓘ
blue to green ⓘ blue to orange ⓘ blue to yellow ⓘ |
| colorIndicates | approximate concentration of reducing sugar ⓘ |
| containsIon | Cu2+ ⓘ |
| detects |
fructose
ⓘ
glucose ⓘ lactose ⓘ maltose ⓘ reducing sugars ⓘ |
| doesNotDetect | most non-reducing sugars without prior hydrolysis ⓘ |
| forms | cuprous oxide precipitate ⓘ |
| greenColorIndicates | low concentration of reducing sugar ⓘ |
| hasComponent |
copper(II) sulfate pentahydrate
ⓘ
sodium carbonate ⓘ sodium citrate ⓘ |
| hazard |
alkaline irritant
ⓘ
contains copper salts ⓘ |
| mechanism | reduction of Cu2+ to Cu+ ⓘ |
| namedAfter | Stanley Rossiter Benedict NERFINISHED ⓘ |
| pH | alkaline ⓘ |
| reactionType | redox reaction ⓘ |
| replacedBy | enzymatic glucose assays in many clinical laboratories ⓘ |
| requires | heating with sample ⓘ |
| sampleType |
biological fluids
ⓘ
urine ⓘ |
| solvent | water ⓘ |
| stabilizedBy | sodium citrate ⓘ |
| storageCondition |
protected from contamination
ⓘ
tightly stoppered bottle ⓘ |
| usedFor |
detection of glucose
ⓘ
detection of reducing sugars ⓘ semi-quantitative estimation of reducing sugars ⓘ |
| usedIn |
biochemistry laboratories
ⓘ
clinical laboratories ⓘ educational laboratories ⓘ |
| usedInTest | Benedict's test NERFINISHED ⓘ |
| yellowToOrangeColorIndicates | moderate concentration of reducing sugar ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.