S.N

Antioxidant

Conc. of antioxidant

PPO activity

After 2 - 4 weeks

After 4 - 6 weeks

After 6 - 8 weeks

01

02

03

04

05

06

07

08

09

Ascorbic acid

Ascorbic acid

Ascorbic acid

Citric acid

Citric acid

Citric acid

Citric acid & Ascorbic acid

Citric acid & Ascorbic acid Citric acid & Ascorbic acid

160 mg/l

320 mg/l

640 mg/l

160 mg/l

320 mg/l

640 mg/l

(160 + 160) mg/l

(320 + 320) mg/l

(640 + 640) mg/l

60% - 65%

50% - 60%

45% - 50%

50% - 55%

45% - 50%

25% - 30%

30% - 35%

25% - 30%

10% - 15%

50% - 55%

45% - 50%

35% - 40%

25% - 30%

20% - 25%

15% - 20%

10% - 15%

10% - 15%

5% - 10%

25% - 30%

20% - 25%

15% - 20%

15% - 20%

15% - 20%

10% - 15%

NO

NO

NO