The results indicated higher daily percents of vitamin C than those provided on the ... Ascorbic acid of fruit juices is readily oxidized with shelf time at rates ... available natural orange juice samples to compare the amount of vitamin C in each ... UV detection at 210 nm completed the determination of vitamin C concentration.. + Determination of Ascorbic acid in Fruit Juices Place 50 mL of juice (choose your ... your results to other groups that titrated orange juice, grapefruit juice. etc
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