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Comparison between red-skin ginseng and healthy ginseng. (A) Ascorbate concentration. (B) Activity of l-galactose dehydrogenase. (C) Activity of monodehydroascorbate reductase. (D) Activity of ascorbate peroxidase. (E) Dehydroascorbate reductase. (F) Activity of ascorbic acid oxidase. The values are denoted as the mean ± standard deviation, n = 3. The different letters above columns represent statistically different at p = 0.05.
