Fig. 4 shows the stability of ascorbic acid in orange juice with
peptide fraction and control. The Ascorbic acid content of both
samples decreased from 200 mg/L to 20 mg/L (by 10%) in 7 days,
although the orange juice with peptide fraction showed significantly
higher amount of ascorbic acid in comparison to control on
day 3. From days 7e42 the ascorbic acid concentration of in both