Heat actually preserves vitamin C if the temperature is below 70 degrees Celsius, because the high heat used kills the enzyme ascorbic acid oxidase, found in fruits and vegetables, before much Vit C is oxidized. Since this enzyme catalyzes the oxidation process, this is actually serve to protect the vitamin.. However, if the temperature rises above 70 degrees Celsius, then the vitamin C will be damaged. You can look here for more information: 1) http://www.madsci.org/posts/archives/1999-03/920691753.Ch.r.html 2)http://www.dietitian.com/vitaminc.html 3)http://www.selah.k12.wa.us/soar/sciproj2001/BryanT.html Note: For the second link, scroll down a little bit for the information.
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You don't NEED any amount of orange juice but it is healthy for you. Drink a decent amount for high vitamin C value.
Usually any juice that is watered down, or has a low concentration.
Orange juice
Yes, over time orange juice does lose Vitamin C.
yes orange juice contains vitamin c and theorem.
Iodine can change it because iodine is poisonous
This site give a breakdown. Kiwis and strawberries have more Vitamin C than oranges. http://www.examiner.com/x-3695-Las-Vegas-Fitness-Examiner~y2009m10d29-Vitamin-C-quiz-Which-contain-more-vitamin-C-an-orange-a-strawberry-or-a-kiwi-fruit
how much vitamin c is in an orange compared to concentrated Orange Juice withou added vitamin c
Heating orange juice can destroy Vitamin C.
YOu can drink orange juice and orangeade. That has lots of vitamin C.
Vitamin C