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Testing for Carbohydrate in Foods. This presentation illustrates data that you should have seen during the lab investigation. Results of a Benedict’s Solution Test.
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Testing for Carbohydrate in Foods This presentation illustrates data that you should have seen during the lab investigation.
Results of a Benedict’s Solution Test The tube on the left is a negative Carbohydrate test result. Color is the original blue of Benedict’s. As you move from left to right, the Benedict’s solution changes from green to orange to red. All three tubes a are a postive test for carbohydrate. The red indicates the presence of the monosaccharide.
Above is a link that tells more about the Carbohydrate Test http://biology-igcse.weebly.com/food-test-2---benedicts-test-for-reducing-sugars.html Click on the link and get an explanation of the diagram. How does it relate to the picture in the previous slide?
Something Fun to Look At Read the list of substances. Are all carbohydrates? Why do the results appear the way they do?