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Vitamin C (also known as ascorbic acid and ascorbate) is a water-soluble vitamin found in citrus and other fruits, berries and vegetables. It is also a generic prescription medication and in some countries is sold as a non-prescription dietary supplement.
Citric acid also dissolves in absolute (anhydrous) ethanol (76 parts of citric acid per 100 parts of ethanol) at 15 °C. It decomposes with loss of carbon dioxide above about 175 °C. Citric acid is a triprotic acid , with pK a values, extrapolated to zero ionic strength, of 3.128, 4.761, and 6.396 at 25 °C. [ 21 ]
Mayo Clinic also notes that for most people, a healthy diet alone can supply enough vitamin C. “Aim to get at least 90 mg per day of vitamin C from food,” Blautner recommends. She suggests the ...
Only vitamin C content at 35% of the Daily Value (DV) per 100 g serving is significant for nutrition, with other nutrients present in low DV amounts (table). Lime juice contains slightly less citric acid than lemon juice (about 47 g/L), nearly twice the citric acid of grapefruit juice, and about five times the amount of citric acid found in ...
One such trial investigated the effects of erythorbic acid on vitamin C metabolism in young women; no effect on vitamin C uptake or clearance from the body was found. [4] A later study found that erythorbic acid is a potent enhancer of nonheme-iron absorption, just like ascorbate. This is thought to be due to it exerting the same iron-reducing ...
1 guava, 125 milligrams of vitamin C. The sweet tropical fruit contains almost double the amount of vitamin C found in an orange, plus guava is very high in antioxidants, potassium and fiber. That ...