Fruit drinks pH TSS Total acidity (%)* TSS / Total acidity Sedimentation / 2hr (ml/100ml) (n=5) PME (unit /ml) Viscosity (cP) (n=5) At zero time and before storage Pear 13.8 2.64 0.2112 65.34 70 ± 0.33 0 0.47 ± 0.55 Cherry 13.8 2.32 0.384 35.94 0 0 ± 0 0.34 ± 0.41 Strawberry 12.8 2.91 0.2592 49.38 30 ± 0.18 0 0.40 ± 0.52 Redgrape 14.6 2.27 0.3072 47.53 0 ± 0 0 0.28 ± 0.40 After 1 months storage at 4°C Pear 14 2.86 0.192 72.92 70 ± 0.28 0 0.49 ± 0.35 Cherry 13.6 2.32 0.384 35.42 0 0 0.39 ± 0.11 Strawberry 13 2.88 0.2496 52.0 30 ± 0.19 0 0.43 ± 0.42 Redgrape 14 2.23 0.3072 45.57 0 0 0.29 ± 0.33 After 2 months storage at 4°C Pear 14 2.78 0.1152 121.53 50 ± 0.24 0 0.53 ± 0.19 Cherry 13.2 2.37 0.192 68.75 0 0 0.41 ± 0.21 Strawberry 13.2 2.86 0.1344 98.21 50 ± 0.17 0 0.45 ± 0.32 Redgrape 14.8 2.3 0.1152 128.47 0 0 0.32 ± 0.09 After 3 months storage at 4°C Pear 14 4.96 0.144 97.22 50 ± 0.29 0 0.54 ± 0.15 Cherry 13.8 4.6 0.192 71.88 0 0 0.43 ± 0.28 Strawberry 13.2 4.85 0.1632 80.88 50 ± 0.31 0 0.46 ± 0.34 Redgrape 15 4.53 0.3072 48.83 0 0 0.33 ± 0.17 After 4 months storage at 4°C Pear 14.2 4.9 0.144 98.61 50 ± 0.26 0 0.56 ± 0.41 Cherry 14 4.59 0.192 72.92 0 0 0.44 ± 0.19 Strawberry 13.8 4.95 0.1632 84.56 40 ± 0.18 0 0.47 ± 0.22 Redgrape 15 4.5 0.3072 48.83 0 0 0.35 ± 0.24 After 5 months storage at 4°C Pear 14.4 4.24 0.144 100 50 ± 0.34 0 0.56 ± 0.11 Cherry 14 4.05 0.192 72.92 0 0 0.45 ± 0.21 Strawberry 13.6 4.36 0.1632 83.33 40 ± 0.28 0 0.49 ± 0.32 Redgrape 15 4.03 0.3072 48.83 0 0 0.36 ± 0.64 After 6 months storage at 4°C Pear 14.5 4.48 0.144 100.70 50 ± 0.42 0 0.58 ± 0.55 Cherry 14 4.24 0.192 72.92 0 0 ± 0 0.46 ± 0.52 Strawberry 14 4.72 0.1632 85.78 40 ± 0.61 0 0.51 ± 0.50 Redgrape 15 4.28 0.3072 48.83 0 ± 0 0 0.36 ± 0.53 Data represent the mean value of triplicate samples *Titratable acidity as citric acid

Table 1: Quality characteristics of some commercial fruit drinks during storage at at refrigerator (4°C).