How Do You Test For Vitamin C In Fruits & Vegetables?
There is a simple test you can perform at home to see how much vitamin C your vegetables and fruit contain. It is not exact, but the ranges will help you rate them from highest to lowest content of vitamin C. Start with a colored solution made from Iodine and starch. Vitamin C will bleach out the color, so the clearer the solution becomes, the more vitamin C that product contains. Test a number of products and line them up from darkest to lightest. Choose the vegetables and fruits that you want to test. Extract juice either by juicing or blending and then straining. You will only need a small sample of each, but it must be in liquid form. You can also test juices that you have purchased at the store. Mix one tablespoon of cornstarch with one cup of water. Boil the mixture for five minutes; stir occasionally to ensure the cornstarch is completely dissolved. In a separate glass, add a half teaspoon of the starch mixture to five tablespoons of water. Add iodine slowly, one drop at a time,