The following carbohydrate tests have been performed on a sample containing an unknown sugar.
The results obtained are indicated as a positive (+) or negative (-) reaction for each of the tests performed.
Fehling
Benedict
Barfoed
Bial
Iodine
Seliwanoff
Unknown Sugar
+
+
+
-
-
+
Based on the carbohydrate test results obtained for unknown sugar, identify the unknown sugar:
Xylose
Glucose
Fructose
Sucrose
Maltose
Starch