Vitamin C is also known as ascorbic acid. According to the Mayo Clinic, Vitamin C is a water-soluble vitamin that helps the body form muscles, collagen, blood vessels and bones. It also aids in the absorption of iron in the body. Vitamin C can be found in fruit and vegetables, particularly citrus fruit such as oranges. If you would like to test fruit and vegetables to determine if Vitamin C is present, a test can be done at home.
Step 1
Process the fruit or vegetable that you want to test in a juicer. If you want to test numerous items, juice them separately, being sure to thoroughly clean the juicer in between each use.
Step 2
Pour one ounce of the juice into a plastic cup. If you have juiced more than one fruit or vegetable, pour each juice into separate cups.
Step 3
Drop 10 drops of the starch solution into the plastic cup with a pipette and stir it with a toothpick. If you do not have a pre-made starch solution, you can make one using one part baking soda and five parts water.
Step 4
Drop one drop of iodine into the cup and stir it for 20 seconds, observing if there is a color change. When the color change is clear, you have confirmed the presence of Vitamin C.
Step 5
Record the number of drops of iodine used. This will allow you to compare each fruit or vegetable with one another, and rank them according to the amount of Vitamin C present.
Things You'll Need
- Juicer
- Pipette
- Plastic cup
- Iodine solution
- Starch solution
- Toothpick
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