問題一覧
1
positive for all types of carbohydrates whether free or in combined from glycoproteins;glycolipids
molisch’s test
2
monosaccharides gives rapid positive result and reacts slower with disaccharides and polysaccharides
molisch’s test
3
expected result of molisch’s test
purple ring
4
reacts with dextrins, monosaccharides, disaccharides, polysaccharides, starch, gum, and glycosides
anthrone’s test
5
can be used in determining glycogen, inulin, and sugar in blood
anthrone’s test
6
expected result in anthrone’s test
green to blue green color
7
monosaccharides are easily decomposed by alkalies
action of alkali
8
expected result of action of alkali
yellow tinge to brown
9
example of alkali
sodium bicarbonate
10
it differentiates between water soluble carbohydrates and ketones
fehling’s test
11
expected result in feling’s test
yellow or red precipitate
12
commonly used to detect the presence of reducing sugars this includes monosaccharides and many disaccharides including lactose and maltose
benedict’s test
13
expected color in benedict’s test
green-0.5% yellow-1% orange-1.5% brick red-2%
14
can distinguish monosaccharides to disaccharides
barfoed’s test
15
disaccharides may also react but the reaction is much slower
barfoed’s test
16
expected result in barfoed’s test
brick red precipitate or red cloudiness
17
very sensitive for detecting sugar in the urine by reduction method
picric acid test
18
expected result in picric acid test
red precipitate
19
used for reducing sugars such as glucose and fructose
nylander’s test
20
expected result in nylander’s test
black precipitate
21
other name for tollen’s test
silver mirror test
22
test that confirms the presence of reducing sugars
tollen’s test
23
expected result in tollen’s test
silver liquid
24
used to separate aldehydes and ketones
seliwanoff’s test
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expected result in seliwanoff’s test
cherry red
26
useful for determination of pentose sugars
bial’s orcinol test
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expected result in bial’s orcinol test
formation of green solution and precipitate
28
insoluble in water
mucic acid test
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used to identify the presence of the sugar galactose in food or in synthetic manufacture
mucic acid test
30
expected result in mucic acid test
colorless needle like crystals
31
used in colometric test for the detection of cholesterol
liebermann-burchard test
32
other name for liebermann-burchard test
acetic anhydride test
33
expected color in liebermann-burchard test
bluish-green color
34
the presence of a double bond in one cholesterol rings is tesponsibke for its ability to form color products in the presence of concentrated inorganic acids
salkowski’s test
35
it dehydrates cholesterol
sulfuric acid
36
expected result in salkowski’s test
blue red to violet red red with green fluorescence
37
a chemical test for the presence of pentoses
bial’s test
38
expected color for bial’s test
bluish with precipitate
39
used to detect the presence of DNA
dische reaction
40
expected result in dische reaction
blue color change
41
an analytical technique to identify the presence of caffeine and other purine derivatives
murexide test
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expected result in murexide test
pink color or purple color
43
a qualitative test for pyrimidine bases cytosine and uracil
wheeler and johnson test
44
expected result in wheeler and johnson test when sample is treated witth bromine water
green color
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expected result in wheeler and johnson test if barium hydroxide is added
liquid purple
46
green color is the expected result in wheeler and johnson test when sample is treated with?
bromine water
47
liquid purple is the expected result of wheeler and johnson test when added with?
barium hydroxide