Jordan.R


 * Title**: Do different Forms of orange juice contain different levels of vitamin C.

**Hypothesis:I believe that different forms of orange juice do contain different levels of Vitamin C. It all depends on how much Vitamin C a company decides to put in the orange juice.**
Three flasks
 * Materials**: Florida’s Natural brand orange juiceMinute Maid brand frozen orange juice from concentrateTwo oranges Iodine Corn Starch Water PitcherEye dropper


 * Research**: Vitamin C is one of the most important antioxidants. It helps support a healthy immune system. Vitamin C may help neutralize free radicals that can damage cells and tissues that can lead to disease. One 8-ounce glass of 100% orange juice is very helpful to a healthy diet.

Today, Americans enjoy a consistent supply of high quality, nutritious orange juice all year long. A glass of orange juice is a simple and nutritionally sound way to start the day. Orange juice, as part of a healthy diet can help maintain good health and well-being, and may help reduce the risk of certain diseases. It’s no wonder people continue to love and enjoy orange juice. Vitamin C, the sunshine vitamin, is one of the most powerful antioxidants. Found in orange juice, Vitamin C is associated with maintaining a healthy immune system, and also neutralizing free radicals that cause cell and tissue damage and lead to diseases. Vitamin C is thought to help reduce the risk of some types of cancer.


 * Data**: Types of OJ Number of dropsRegular Orange juice 2 dropsfreshly squeezed Orange Juice 2 dropsFrozen Orange juice 3 drops


 * Conclusion**: I found that different forms of Orange juice contain about the same levels of Vitamin C. Though it might depend on the company that makes the Orange juice on the levels of Vitamin C.

Make a Starch-Iodine Vitamin C Indicator: Add 2 grams of corn starch or potato starch in 200 mL of cold, distilled water. Bring the mixture to a full boil in a glass beaker. To 1 liter of water, add 8 mL of the starch solution and 1 mL tincture of iodine. Note: The color of the starch indicator should be a royal blue. Put the indicator in a pitcher. Place the different kinds of orange juice in small cups. Put 4 drops of the Vitamin C indicator in 3 flasks, Then put the needed amount of orange juice until indicator is clear.
 * Prodecure**: Buy all your materials.

Citations : http://www.orangejuicefacts.com/ http://www.orangejuicefacts.com/nutrition.html http://www.orangejuicefacts.com/history.html http://www.orangejuicefacts.com/faq.html Vitamins, Minerals and Supplements