Science Experiment (Simple Sugars)

Testing for Simple Sugars  (Benedict's Test)

Aim

I want to find out how to test for simple sugars.

Simple sugars are carbohydrates that are quickly absorbed by the body to produce energy. They are also classified as “simple” because they contain only one or two units of sugar or saccharides. Also referred to as simple carbohydrates, these sugars are found naturally in a variety of foods that we consume daily.

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Equipment

Safety glasses
Bunsen burner
Test tubes
Test tube tongs
Benedict's Solution
Food sample
Gluecose Powder (Dextrose)

Method

Place about 2mL of the food sample into a test tube and then add 5 drops of Benedict's solution and 5ml of water
Gently heat the test tube over a blue flame.  (Do not boil!)

Results

A positive test for simple sugar results in Benedict's Solution changing from a blue colour to a green to yellow colour and lastly an orange/red color.

Conclusion
When heat reaches the Benedict solution, it changes color to blue and to red/orange. Also when the heat is too hot, it can boil and spill everywhere.





Extra for experts

Two different types of sugar exist: simple and complex. Complex sugar takes longer for your body to break down and is healthier for your body. This type is found in natural carbohydrates such as whole grains and fruit. On the other hand, simple sugar is broken down by your body quickly and causes energy ups and downs. This type of sugar includes refined and processed sugar found in table sugar and added to many sweets. Consuming an excess of simple sugar comes with numerous health problems

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Give two examples of simple sugars and complex sugars in your daily food.

      Simple Sugars

Candy/Lollies
Fruit

      Complex Sugars

Bread
Vegetables

At what times of the day may you need simple sugars?

Lunch
Parties
Events


Do you think that it would be wise to eat simple sugars before bed? Why/why not?

I think you should not eat simple sugars before bed because, if eat simple sugars before bed you might get a lot of energy. That also means that you might not sleep that early because you ate simple sugar.