服用维生素C 时，它会分解成脱氢抗坏血酸（DHAA）。
When Vitamin C is taken, it is broken down into dehydroascorbic acid (DHAA).
但是抗坏血酸还有另一个主要的功效：改善皮肤。
But ascorbic acid has another major benefit: healthier skin.
为了维持抗坏血酸的抗氧化活力，它的再生就显得尤为重要。
For maintenance of the antioxidative activity of ascorbate, its regeneration is necessary.
浓缩苹果汁时，在果汁酶解澄清操作中，抗坏血酸的损失最大，约为66％；
The loss of ascorbic acid in the concentrated apple juice processing were studied.
浓缩苹果汁时，在果汁酶解澄清操作中，抗坏血酸的损失最大，约为66％；
The loss of ascorbic acid in the concentrated apple juice processing were studied.
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