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Based on the result in the test, identify which of these tests are important basis for determining glucose levels of diabetic patients from blood and/or urine and how is a modern method used glucose monitoring different? (Qualitative Analysis of Carbohydrates)

Based on the result in the test, identify which of these tests are important basis for determining glucose levels of diabetic patients from blood and/or urine and how is a modern method used glucose monitoring different? (Qualitative Analysis of Carbohydrates)

Biochemistry
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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Based on the result in the test, identify which of these tests are important basis for determining glucose levels of diabetic patients from blood and/or urine and how is a modern method used glucose monitoring different? (Qualitative Analysis of Carbohydrates)

Qualitative Analysis of Carbohydrates Qualitative Analysis of Carbohydrates HELP HELP Select the test: Select the test: Reducing sugars (glucose & lactose) reduce silver ions in the test reagent to Reducing sugars (glucose & lactose) reduce blue copper (II) ions in the Benedict's reagent to red precipitate of cuprous oxide. elemental silver. Elemental silver, accumulated on the inner surface of Benedict's test Tollen's test the reaction vessel, produces a silver mirror on the inner surface of the vessel. Reset Reset Developed by Amrita University Under research grant from Departiment Of Electronics & Information Technology Developed by Amrita University Under research grant from Departiment Of Electronics & Information Technology Qualitative Analysis of Carbohydrates Qualitative Analysis of Carbohydrates HELP HELP Select the test: Iodine reacts with starch to form a starch/iodine complex, which gives a characteristic blue colour to the reaction mixture. Glucose, lactose and sucrose do not give this reaction. Glucose, lactose and sucrose are soluble in water, Select the test: Solubility test whereas starch is insoluble in water. Iodine test A D В Water Iodine Solution Reset Glucose Lactose Sucrose Starch Reset Glucose Lactose Sucrose Starch Developed by Amrita University Under research grant from Department of Electronics & Information Technology Developed by Amrita University Under research grant from Department of Electronics & Information Technology Qualitative Analysis of Carbohydrates Qualitative Analysis of Carbohydrates HELP Carbohydrates undergo dehydration by Conc. H,SO4 to form furfural (furfuraldehyde) or its derivative. The furfurals further react with a-naphthol present in the Molisch's reagent to form a red-violet (purple) coloured product that appears as a purple ring at the interface between the acid and the test layers. Select the test: Reducing sugars (glucose & lactose) reduce the deep blue solution of copper (II) in the test reagent to red precipitate of insoluble cuprous oxide. Select the test: Fehling's test Molisch's test A В Molisch Reagent Conc. H2SO4 Reset Reset Glucose Lactose Sucrose Starch Developed by Amrita University Under research grant from Department Of Electronics & Information Technology Developed by Amrita University Under research grant from Department Of Electronics & Information Technology
Transcribed Image Text:Qualitative Analysis of Carbohydrates Qualitative Analysis of Carbohydrates HELP HELP Select the test: Select the test: Reducing sugars (glucose & lactose) reduce silver ions in the test reagent to Reducing sugars (glucose & lactose) reduce blue copper (II) ions in the Benedict's reagent to red precipitate of cuprous oxide. elemental silver. Elemental silver, accumulated on the inner surface of Benedict's test Tollen's test the reaction vessel, produces a silver mirror on the inner surface of the vessel. Reset Reset Developed by Amrita University Under research grant from Departiment Of Electronics & Information Technology Developed by Amrita University Under research grant from Departiment Of Electronics & Information Technology Qualitative Analysis of Carbohydrates Qualitative Analysis of Carbohydrates HELP HELP Select the test: Iodine reacts with starch to form a starch/iodine complex, which gives a characteristic blue colour to the reaction mixture. Glucose, lactose and sucrose do not give this reaction. Glucose, lactose and sucrose are soluble in water, Select the test: Solubility test whereas starch is insoluble in water. Iodine test A D В Water Iodine Solution Reset Glucose Lactose Sucrose Starch Reset Glucose Lactose Sucrose Starch Developed by Amrita University Under research grant from Department of Electronics & Information Technology Developed by Amrita University Under research grant from Department of Electronics & Information Technology Qualitative Analysis of Carbohydrates Qualitative Analysis of Carbohydrates HELP Carbohydrates undergo dehydration by Conc. H,SO4 to form furfural (furfuraldehyde) or its derivative. The furfurals further react with a-naphthol present in the Molisch's reagent to form a red-violet (purple) coloured product that appears as a purple ring at the interface between the acid and the test layers. Select the test: Reducing sugars (glucose & lactose) reduce the deep blue solution of copper (II) in the test reagent to red precipitate of insoluble cuprous oxide. Select the test: Fehling's test Molisch's test A В Molisch Reagent Conc. H2SO4 Reset Reset Glucose Lactose Sucrose Starch Developed by Amrita University Under research grant from Department Of Electronics & Information Technology Developed by Amrita University Under research grant from Department Of Electronics & Information Technology
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