BIO 024 LAB Carbohydrates Flashcards
used to detect the presence of all carbohydrates
Molisch Test
another general test for all carbohydrates
Anthrone’s Test
Anthrone’s test reagent
sulfuric acid
used to detect the presence of starch
Iodine Test
indication of positive in iodine test
blue-black
positive indication in molisch test
purple with ring
negative indication of iodine test
brownish
to differentiate between aldose and kentose sugars
seliwanoff’s test
positive indication of seliwanoff’s test
cherry-red colored complex
detect pentoses
Bial’s Test
indication of presence of kentoses in bial’s test
blue-green
detects galactose
Mucic Acid Test
indicates positive result in Mucic Acid Test
crystalline formation
to identify aldose sugars
Osazone Test
indication of positive result in Osazone test
crystalline formation
detection of reducing and non reducing sugars
fehling’s test
positive indication fehling’s test
deep blue
distinguish reducing carbohydrates
Barfoed’s Test
distinguish simple carbohydrates
Benedict’s Test
positive indication in benedict’s test
green to yellow, orange and brick-red
molisch test reagent
mixture of a-naphthol and ethanol
this test can be used to screen for glucose in urine, thus detecting diabetes
fehling’s test
deep blue solution in fehling’s test
fehling’s A
colorless solution in fehling’s test
fehling’s B