Would apples prevent scurvy, a disease caused by a deficiency in vitamin C? Sodium ascorbate is one of a number of mineral salts of ascorbic acid (vitamin C). Deaeration also minimizes the loss of nutrients like vitamin C and carotene. There is tentative support for use of vitamin C in exercise induced bronchospasm. Treatment is with vitamin C supplements taken by mouth. However, use of supplements of vitamin C has not demonstrated benefit. It provides a beverage rich in vitamin C and carotenoids. Scurvy (vitamin C deficiency) affected the crew. Wild blueberries are a good source of Vitamin C and dietary fiber. Cadmium catalyzes the transformation of vitamin C into oxalic acid. Iron supplements and vitamin C may be recommended. Mattel released a Vitamin C doll in 2000. Simple tests are available to measure the levels of vitamin C in urine and serum. Antioxidants such as thiols or ascorbic acid (vitamin C) terminate these chain reactions. The richest natural sources of vitamin C are fruits and vegetables.