Can the iodine test distinguish between amylose and amylopectin? What would you look for?
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Can the iodine test distinguish between amylose and amylopectin? What would you look for?
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- What color difference will be observed in glycogen with iodine test or how can iodine test be used to distinguish between amylose and glycogen?What is a positive result for Osazone test Carbohydrates?Can the iodine test distinguish between the following carbohydrates? Explain your answer a) a-amylose and amylopectin b) sucrose and glucosec) a-amylose and maltose
- Instead of Molisch's test, what specific test can be used to detect the presence of pentose sugar?What test is used to differentiate glucose and galactose? Explain the answerInulin is a polysaccharide compound entirely of fructose units. What would be the effect of the seliwanoff's test on inulin? Explain in 2-3 sentences.
- Give one test to show the difference between reducing and non-reducing sugars. (Give the indication of positive test, such as color, precipitate formation, etc.) Is sucrose a reducing or non-reducing sugar? Explain. Is lactose a reducing non reducing sugar? Explain.What does a “reducing sugar” mean? Which of the following tests is/are specific to reducing sugars?An unknown solution contains a single pure sugar. It gives positive results to Molisch’s and Benedict’s tests but is negative for all others. What is the sugar? Is it sucrose, lactose, or xylose? Explain your choice.
- What test reagent is most sensitive in detecting sugar in urine? What are the possible positive results (color) and its interpretation? What test could be used to differentiate: sucrose and lactose? Explain. glucose and starch? Explain. glucose and fructose? Explain. galactose and fructose? Explain An unknown carbohydrate gave a brick red precipitate when tested with Fehling's reagent, turned red when reacted with Seliwanoff's reagent, and quickly gave a red precipitate when reacted with Barfoed's reagent. What conclusions can be made about this carbohydrate? Illustrate with equation the reaction of glucose, galactose, maltose & lactose with osazone test. Sketch the crystals formed for each of the following sugars examined under the microscope.aside from Benedict's test, by what other method can reducing sugars be differentiated from each other and from glucose?What is the name of the sugar which produces yellow crystals after osazone test and have starfish-like structures with distinct ball-shaped features and spikes with a melting point of 194.5 and positive for Benedict's Test and Molisch's Test?