Fehling's Test: Some sources say that Fehling's test will be positive only for Aldoses not for ketose. But since Fehlings is a test for reducing sugars, Monosaccharide Ketose (and some disaccharide ketose) should test positive as well right? How about Ribose, based on our experimental result, it was negative. But theoretically, it should test positive right? Kindly explain the theoretical reaction of Ribose to Fehling's reagent.
Fehling's Test: Some sources say that Fehling's test will be positive only for Aldoses not for ketose. But since Fehlings is a test for reducing sugars, Monosaccharide Ketose (and some disaccharide ketose) should test positive as well right? How about Ribose, based on our experimental result, it was negative. But theoretically, it should test positive right? Kindly explain the theoretical reaction of Ribose to Fehling's reagent.
Biochemistry
9th Edition
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
Section: Chapter Questions
Problem 1P
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Fehling's Test:
Some sources say that Fehling's test will be positive only for Aldoses not for ketose. But since Fehlings is a test for reducing sugars, Monosaccharide Ketose (and some disaccharide ketose) should test positive as well right? How about Ribose, based on our experimental result, it was negative. But theoretically, it should test positive right? Kindly explain the theoretical reaction of Ribose to Fehling's reagent.
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