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Does ascorbic acid help keep fruits and vegetables from darkening?

April 26, 2017acid ascorbic darkening fruits help vegetables

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Does ascorbic acid help keep fruits and vegetables from darkening?

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Yes. Adding 1/4 teaspoon of crystalline ascorbic acid (vitamin C) to a quart of fruit or vegetable before it is processed retards oxidation, which is one cause of canned foods darkening. Ascorbic acid preparations containing sugar can be used with fruits in proportions suggested by manufacturer.