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Vitamin C (ascorbic acid) is an antioxidant that is essential for human nutrition. Vitamin C deficiency can lead to a disease called scurvy, which is characterized by abnormalities in the bones and teeth. Many fruits and vegetables contain vitamin C.Fruits have varying levels of vitamin C. In some fruits, the amount of vitamin C varies between different varieties of the same species. The vitamin C content of many fruits ishigher when it is slightly unripe, and declines as the fruit becomes ripe. Vitamin C content also decreases with storage.Tincture of iodine is brownish-red in color. When vitamin C is added, it becomes colorless. This reaction can be used to test for the presence of vitamin C and to give some idea of the amount that can be found in a given substance.
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Fecha publicación: 12.5.2016
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