Parameter

Sour grape juice

Purple grape juice

Phalsa juice

Colour

Greenish

Purple

Pink

°Brix

12.40 ± 0.1

13.2 ± 0.1

10.0 ±0

Acidity, %

1.05 ± 0.01

1.20 ± 0.05

2.86 ± 0.07

pH

3.16 ± 0.02

2.11 ± 0.05

2.79 ± 0.12

Reducing sugar, %

11.92 ± 0.12

9.66 ± 0.16

5.6 ± 0.02

Total sugars, %

12.15 ± 0.05

11.7 ± 0.20

6.0 ± 0.04