Test for Carbohydrates Flashcards

1
Q

General for carbohydrates

A

Molisch’s

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2
Q

Reducing sugars

A - CuSO4, B - K Na tartrate

A

Fehling’s

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3
Q

Reducing sugars

NaOH + CuSO4

A

Benedict’s

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4
Q

Reducing sugars; Monosaccharides

A

Barfoed’s

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5
Q

Reducing sugars

Aldehydes

A

Tollen’s

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6
Q

Reducing sugars

Mahogany red

A

Picric acid

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7
Q

Reducing sugars

K Na tartrate + K/NaOH + Bi

A

Nylander’s

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8
Q

Mannose

A

Osazone/Kowarsky

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9
Q

Ketohexose

Fructose

A

Seliwanoff’s

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10
Q

Deoxysugars

cardiac glycosides

A

Keller-Killiani Test

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11
Q

Reducing sugars (Glucose)

A

Moore’s

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12
Q

Galactose

A

Mucic acid Test

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13
Q

Pentoses

A

Bial’s

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14
Q

Molisch’s positive result

P/R

A

Purple/Red

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15
Q

Fehling’s positive result

BR

A

Brick red ppt

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16
Q

Benedict’s positive result

BR

A

Brick red ppt

17
Q

Bafoed’s positive result

BR

A

Brick red ppt

18
Q

Tollen’s positive result

SM

A

Silver mirror

19
Q

Picric acid positive result

MR

A

Mahogany red

20
Q

Nylander’s positive result

B

21
Q

Osazone/Kowarsky positive result

Y

A

Yellow ppt

22
Q

Seliwanoff’s positive result

R

23
Q

Keller-Killiani Test positive result

RB

A

Reddish brown

24
Q

Moore’s positive result

C

25
Mucic acid Test positive result
Insoluble ppt
26
Bial's positive result | BG
Blue green
27
Molisch's composition
α-naphthol
28
Fehling's composition
A - CuSO4, B - K Na tartrate
29
Benedict's composition
NaOH + CuSO4
30
Barfoed's composition
Cupric acetate + acetic acid
31
Tollen's composition
Silver + Ammonia
32
Picric acid composition
Picric acid
33
Nylander's composition
Na K tartrate + K/NaOH + Bi
34
Osazone/Kowarsky composition
Phenylhydrazine
35
Seliwanoff's composition
Resorcinol
36
Keller-Killiani Test composition
Acetic acid + Fe chloride + Sulfuric acid
37
Moore's composition
Heat with alkali
38
Mucic acid Test composition
Nitric acid
39
Bial's composition
Resorcinol + Fe