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Food Science Science Fair Project

Vitamin C in Orange Juice

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Vitamin C in Orange Juice | Science Fair Projects | STEM Projects
Are you getting enough vitamin C? Find out by testing different types of orange juice to see if they contain different levels of vitamin C.

Hypothesis

The hypothesis is that different brands of orange juice contain different levels of vitamin C.

Method & Materials

You will measure and compare the Vitamin C content in a variety of food samples, and determine the effect of various factors on Vitamin C concentration.
You will need a blender, a stirring rod, sources of Vitamin C (Freshly squeezed OJ, Bottled OJ, Frozen OJ, Canned OJ), vitamin C indicator solution, graph paper, 3 disposable pipettes, distilled water, one 10-mL graduated cylinder, and cheese cloth.

Results

The experiment showed that different brands of orange juice do contain different levels of vitamin C. The amount of vitamin C in the juice was affected by the plant's growing conditions, method of processing, storage conditions, and exposure to heat, light or metals.

Why do this project?

This science project is interesting and unique because it allows students to measure and compare the Vitamin C content in a variety of food samples, and determine the effect of various factors on Vitamin C concentration.

Also Consider

Experiment variations to consider include testing different types of citrus fruits to see if they contain different levels of vitamin C, or testing different types of vegetables to see if they contain different levels of vitamin C.

Full project details

You can find additional information and details for this science fair project here. Have fun exploring!

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