S.no. |
Physico chemical properties |
Sample type |
Time (hours) |
0 |
24 |
48 |
1 |
pH |
A* |
4.62**a |
4.5a*** |
4.2a |
B |
4.56a |
4.02a |
3.96a |
C |
9.5a |
9.22a |
9.07a |
D |
4.2a |
3.8b |
3.6b |
2 |
Titrable acidity (g/100 ml) |
A |
1.7a |
1.85a |
1.87a |
B |
1.93a |
2.75b |
2.8b |
C |
0.27a |
0.17b |
0.17b |
D |
0.37a |
2.47b |
2.55b |
3 |
Brix (sucrose)% |
A* |
14.17a |
12.07b,c |
10.15c |
B |
11.2a |
10.7a |
9.67a |
C |
17.82a |
17.52a |
14.42b |
D |
16.12a |
9.65b |
7.38c |
4 |
Ethanol% |
A* |
9.4a |
9b |
8.96b |
B |
3.2a |
3b |
2.9b |
C |
0.5a |
0b |
0b |
D |
4.2a |
5b |
4.5c |
*A- sample treated with 150 ppm sodium metabisulfite; B- 150 ppm Sodium
benzoate; C – 450 ppm Calcium hydroxide; D- Control
**Values are expressed as mean of three repetitions
***superscripts with same letters in a row are not significantly different at 95%
confidence interval. |