Readers ask: Vitamin C Science Fair Projects?

What fruit has the most vitamin C science fair project?

This created the iodine solution. Then, using a spoon, I crushed a 100 mg vitamin C tablet and dissolved it in water. The dissolved tablet in water is my control for the experiment. After this I poured different fruit juices into cups. 7 Which Fruit Has The Most Vitamin C?

Juices Avg (all three tries)
Apple 33.6
Grapefruit 28.6
Orange 14.3
Lemon 34.3

Do oranges lose their vitamin C project?

Oranges do end up losing vitamin C because they stop receving the nutrients they need when picked up. Consult the iodine Materials Safety Data Sheet for additional safety information.

How do you test vitamin C content in fruits and vegetables?

Measure the vitamin C content of a sample of fruit juice by measuring the volume of the sample required to decolourise a solution of DCPIP. Calibrate the results by comparison with a known concentration of vitamin C.

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What type of orange juice has the most vitamin C?

Minute Maid Original contained the most vitamin C. Bolthouse Farms came in second followed closely by Springfield High Pulp, Minute Maid Country Style, Fresh Navel Del Monte, Tropicana Concentrate, Fresh Navel Victor, Springfield No Pulp, and then came Tropicana Pure No Pulp.

Which juice has more vitamin C?

Of the 17 samples analyzed, the one with the highest vitamin C content was an apple juice (840 mg/l), more than the orange juices (352-739 mg/l). The results for the pineapple and grape juices were 702 mg/l and between 30.2 and 261 mg/l for the soft drinks ( orange, lemon and apple ).

How can I test my vitamin C at home?

Follow this easy, step-by-step activity:

  1. Determine which food(s) you want to test for vitamin C.
  2. Make indophenol solution by combining less than 1/8 teaspoon of indophenol with 1 cup of water.
  3. Put 15 drops of indophenol solution in a test tube for each food item you want to test.

How long does vitamin C last in oranges?

Drinking freshly squeezed orange juice right away ensures that your body receives all of that lovely Vitamin C. The same study analyzed the amount of Vitamin C retained in OJ after one and two weeks in a typical home fridge. 88% of vitamin C content was retained after one week of storage and 67% after two weeks.

Does vitamin C degrade with heat?

Vitamin C is a water-soluble and temperature-sensitive vitamin, so is easily degraded during cooking, and elevated temperatures and long cooking times have been found to cause particularly severe losses of vitamin C [12].

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Is vitamin C a weak acid?

Ascorbic acid, vitamin C, is a weak electrolyte. Its molecular formula is C6H8O6. In aqueous solution, ascorbic acid ionizes to form H+ and ascorbate ion, C6H7O6.

How do you know if you need vitamin C?

Some of the earliest signs of deficiency include fatigue, red gums, easy bruising and bleeding, joint pain and rough, bumpy skin. As the deficiency progresses, bones may become brittle, nail and hair deformities can develop, wounds may take longer to heal and the immune system suffers.

Where is Vitamin C found?

Citrus fruits, tomatoes and tomato juice, and potatoes are major contributors of vitamin C to the American diet [8]. Other good food sources include red and green peppers, kiwifruit, broccoli, strawberries, Brussels sprouts, and cantaloupe (see Table 2) [8,12].

How do you calculate vitamin C?

For standard solution Mass Ascorbic acid = Mole iodine × Volume of iodine × 176.12 = 0.00231 × 45 × 176.12 = 91.54 mg Initially, the amount of Ascorbic acid was taken for 100mg and therefore for total amount of ascorbic acid i.e. 250 mg the ratio stands out to be 2.5 (250/100).

How much vitamin C should I take daily?

For adults, the recommended daily amount for vitamin C is 65 to 90 milligrams (mg) a day, and the upper limit is 2,000 mg a day. Although too much dietary vitamin C is unlikely to be harmful, megadoses of vitamin C supplements might cause: Diarrhea. Nausea.

What foods provide vitamin C?

Good sources of vitamin C

  • citrus fruit, such as oranges and orange juice.
  • peppers.
  • strawberries.
  • blackcurrants.
  • broccoli.
  • brussels sprouts.
  • potatoes.
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What is the best drink for vitamin C?

Orange juice is a significant source of vitamin C, an antioxidant that is essential for skin health and iron absorption ( 6, 8 ). It’s also high in phenolic compounds, such as cinnamic, ferulic, and chlorogenic acids.

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