Table 4.
The engineering properties of the watermelon juice at Day 0.
| TC | EC (mS/cm) | Resistivity (Ω·m) | Viscosity (mPa·s) | Density (kg/m3) | λ (W/m·K) | Cp (kJ/kg·K) | Ʈ (Pa) | Dielectric constant |
|---|---|---|---|---|---|---|---|---|
| NC | 3.91a ± 0.04 | 2.56m ± 0.03 | 1.95a ± 0.04 | 942.56a ± 11.30 | 6.87 ×10-1k ± 0.01 | 4.62l ± 0.04 | 0.59a ± 0.02 | 85.56m ± 2.37 |
| PC | 7.32j ± 0.03 | 1.37c ± 0.01 | 2.51c ± 0.04 | 957.41b ± 11.65 | 6.63 ×10-1i ± 0.01 | 4.34ij ± 0.11 | 0.92c ± 0.01 | 77.95k ± 0.52 |
| T1 | 6.01d ± 0.09 | 1.67j ± 0.03 | 3.31d ± 0.14 | 966.70e ± 11.21 | 6.43 ×10-1g ± 0.01 | 4.34j ± 0.03 | 1.27f ± 0.02 | 75.24ij ± 0.23 |
| T2 | 5.82c ± 0.05 | 1.72k ± 0.02 | 3.45e ± 0.06 | 969.59f ± 10.64 | 6.40 ×10-1fg ± 0.01 | 4.28h ± 0.06 | 1.39h ± 0.01 | 74.13hi ± 0.70 |
| T3 | 5.45b ± 0.03 | 1.84l ± 0.02 | 3.33d ± 0.25 | 963.62d ± 10.64 | 6.53 ×10-1h ± 0.01 | 4.34j ± 0.12 | 1.13d ± 0.02 | 76.09j ± 0.85 |
| T4 | 6.07d ± 0.25 | 1.65j ± 0.07 | 3.54f ± 0.08 | 972.49h ± 10.51 | 6.43 ×10-1g ± 0.01 | 4.26gh ± 0.05 | 1.44i ± 0.03 | 73.50gh ± 0.53 |
| T5 | 8.53l ± 0.28 | 1.17b ± 0.04 | 2.72b ± 0.06 | 958.65c ± 10.37 | 6.67 ×10-1j ± 0.01 | 4.48k ± 0.08 | 0.83b ± 0.06 | 79.65l ± 0.88 |
| T6 | 6.64f ± 0.08 | 1.51h ± 0.02 | 4.86j ± 0.05 | 989.51l ± 10.39 | 6.13 ×10-1cd ± 0.01 | 4.06c ± 0.05 | 2.24k ± 0.04 | 65.12cd ± 0.81 |
| T7 | 6.30e ± 0.05 | 1.59i ± 0.01 | 3.92g ± 0.06 | 977.54i ± 10.54 | 6.30 ×10-1e ± 0.01 | 4.23fg ± 0.03 | 1.61g ± 0.06 | 70.50f ± 1.79 |
| T8 | 6.92g ± 0.03 | 1.45g ± 0.01 | 4.74i ± 0.13 | 985.50k ± 10.68 | 6.13 ×10-1cd ± 0.01 | 4.18e ± 0.05 | 2.03j ± 0.06 | 67.69e ± 1.29 |
| T9 | 7.33i ± 0.03 | 1.36d ± 0.01 | 3.58f ± 0.08 | 971.40g ± 10.52 | 6.43 ×10-1g ± 0.01 | 4.30hi ± 0.02 | 1.41e ± 0.03 | 72.31g ± 1.95 |
| T10 | 6.91g ± 0.06 | 1.45g ± 0.02 | 4.05h ± 0.05 | 979.04j ± 10.08 | 6.37 ×10-1f ± 0.01 | 4.20ef ± 0.02 | 1.74i ± 0.03 | 69.21e ± 0.99 |
| T11 | 7.30h ± 0.04 | 1.37e ± 0.01 | 5.46j ± 0.09 | 997.05n ± 10.27 | 6.10 ×10-1c ± 0.01 | 4.12d ± 0.04 | 2.33m ± 0.49 | 59.70a ± 0.79 |
| T12 | 6.88g ± 0.12 | 1.45g ± 0.03 | 5.05j ± 0.05 | 992.32m ± 10.59 | 6.17 ×10-1d ± 0.01 | 4.14d ± 0.04 | 2.34l ± 0.03 | 66.24de ± 1.14 |
| T13 | 9.27m ± 0.21 | 1.08a ± 0.03 | 6.47m ± 0.03 | 1015.87r ± 10.15 | 5.87 ×10-1a ± 0.01 | 3.87a ± 0.08 | 3.52p ± 0.04 | 59.47a ± 1.07 |
| T14 | 7.48i ± 0.07 | 1.34cd ± 0.02 | 5.57k ± 0.06 | 1002.67o ± 13.3 | 5.97 ×10-1b ± 0.02 | 4.04c ± 0.07 | 2.74n ± 0.03 | 63.70bc ± 1.54 |
| T15 | 8.65k ± 0.11 | 1.15b ± 0.02 | 5.87k ± 0.04 | 1007.35q ± 12.9 | 5.97 ×10-1b ± 0.01 | 4.00b ± 0.06 | 2.91o ± 0.04 | 61.59b ± 1.12 |
| T16 | 7.24h ± 0.07 | 1.38f ± 0.01 | 5.64l ± 0.03 | 1003.52p ± 12.7 | 6.00 ×10-1b ± 0.01 | 4.05c ± 0.06 | 2.77n ± 0.04 | 63.25b ± 1.00 |
Mean ± SD; n = 3; Means with similar letter within the same column do not differ significantly (p ≤ 0.05), according to DMRT; Cp–Specific Heat Capacity; EC – electrical conductivity; λ–thermal conductivity; Ʈ–Shear Stress.