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Orange ripening and vitamin CFeatured science projectScience project video

Conclusion

The hypothesis that the unripe orange will have the highest concentration of vitamin C has been proven to be true.

Vitamin C is an important part of our nutrition and is also an antioxidant. A lack of vitamin C in our bodies causes scurvy, a disease that causes teeth and bone abnormalities. Vitamin C can be found in abundance in fruits and vegetables, which are the main source of the vitamin for most of us. However, it is normally destroyed during cooking. Therefore, it is recommended to eat fruits and vegetables as raw as possible.
 

Also consider

The science fair project may be repeated by using different types of fruits like papayas or apples.

The experiment may also be repeated by leaving the freshly squeezed juice in the open for a period of time, before testing for the gradual degradation of vitamin C.

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Complexity level:
5
Project cost ($):
20
Time required:
1 hour for preparation, 1 hour for experiment
Material availability:
Iodine may be obtained from a chemist. Basic laboratory equipment required.
Safety concerns:

None