My INSURER PTE LTD - Insurtech Innovation Award 2024
Quality evaluation of melon cubes preserved in sweeteners solutions
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13. RESULTS AND DISCUSSION Table 1. Effect of storage on ascorbic acid content (mg/100g) of melon cubes. Values followed by different letters are significantly (P < 0.05) different from each other. LSD value at 5% level for intervals = 5.239 LSD value at 5% level for treatments = 5.239 Treatments Storage intervals (15 days) Means Fresh 2 nd 3 rd 4 th 5 th 6 th 7 th % Inc. T 0 37.05 32.50 28.01 25.05 22.09 18.03 15.00 59.51 25.390 b T 1 37.05 38.30 39.91 42.60 44.50 44.96 49.30 28.72 42.374 a T 2 34.20 35.91 38.60 41.44 41.49 45.60 47.61 32.58 40.693 a T 3 37.05 37.05 41.30 41.36 42.41 46.70 51.66 39.43 42.504 a T 4 35.91 37.05 42.60 43.44 43.63 45.26 51.70 39.54 42.799 a T 5 35.91 37.46 40.81 41.40 44.70 45.44 47.39 26.51 41.873 a T 6 34.20 36.60 39.44 41.05 44.44 45.70 48.30 31.97 41.390 a Means 35.91 b 36.41 b 38.667 ab 39.48 ab 40.47 ab 41.67 ab 44.423 a
14. Table 2. Effect of storage on titratable acidity (%) of melon cubes. Mean values followed by different letters are non-significantly (P>0.05) different from each others. Treatments Storage intervals (days) Means Fresh 2 nd 3 rd 4 th 5 th 6 th 7 th % Inc. T 0 0.128 0.132 0.135 0.137 0.138 0.142 0.146 14.7 0.137 T 1 0.129 0.130 0.132 0.136 0.137 0.139 0.143 10.0 0.135 T 2 0.127 0.128 0.131 0.132 0.136 0.134 0.142 12.6 0.133 T 3 0.128 0.132 0.135 0.137 0.138 0.143 0.144 12.5 0.137 T 4 0.128 0.132 0.133 0.136 0.136 0.138 0.139 8.60 0.135 T 5 0.129 0.132 0.134 0.135 0.138 0.140 0.143 10.9 0.136 T 6 0.125 0.128 0.131 0.134 0.135 0.137 0.139 11.2 0.133 Means 0.128 0.131 0.133 0.135 0.137 0.139 0.142
15. Table 3. Effect of storage on pH of melon cubes. Values followed by different letters are significantly (P < 0.05) different from each other. LSD value at 5% level for storage intervals = 0.119 LSD value at 5% level for treatments = 0.119 Treatments Storage intervals (days) Means Fresh 2 nd 3 rd 4 th 5 th 6 th 7 th % Dec. T 0 5.83 5.86 5.62 5.43 5.25 5.11 4.82 17.84 5.417 b T 1 5.83 5.85 5.68 5.57 5.54 5.50 5.46 6.670 5.633 a T 2 5.83 5.88 5.74 5.71 5.70 5.65 5.57 5.320 5.726 a T 3 5.83 5.93 5.86 5.72 5.64 5.62 5.59 5.830 5.741 a T 4 5.83 5.82 5.76 5.68 5.61 5.60 5.54 5.010 5.691 a T 5 5.83 5.84 5.77 5.74 5.69 5.66 5.60 4.050 5.733 a T 6 5.83 5.89 5.81 5.77 5.74 5.68 5.66 3.950 5.769 a Means 5.830 a 5.867 a 5.749 ab 5.660 bc 5.596 cd 5.546 cd 5.463 d
16. Table 4. Effect of storage on TSS of melon cubes . Values followed by different letters are significantly (P < 0.05) different from each other. LSD value at 5% level for storage intervals = 3.013 LSD value at 5% level for treatments = 3.013 Treatments Storage intervals (days) Means Fresh 2 nd 3 rd 4 th 5 th 6 th 7 th % Inc. T 0 11 3.00 2.50 2.00 2.00 1.00 1.00 63.66 3.214 d T 1 11 17.0 16.5 17.5 17.5 18.0 18.5 8.110 16.571 bc T 2 11 20.5 21.0 23.0 22.5 24.5 24.5 16.33 21.000 a T 3 11 15.5 16.0 16.0 17.0 17.5 19.0 18.42 16.000 c T 4 11 19.5 21.0 21.0 22.0 22.5 23.5 17.02 20.071 ab T 5 11 16.0 17.5 19.0 17.5 18.5 18.0 11.11 16.786 bc T 6 11 20.0 20.5 21.5 22.0 24.5 24.5 18.37 20.571 a Means 11.0 b 15.643 a 16.214 a 17.143 a 17.214 a 18.286 a 18.714 a
17. Table 5. Effect of storage on reducing sugar of melon cubes. Values followed by different letters are significantly (P < 0.05) different from each other. LSD value at 5% level for storage intervals= 1.509 LSD value at 5% level for treatments = 1.509 Treatments Storage intervals (days) Means Fresh 2 nd 3 rd 4 th 5 th 6 th 7 th % Inc. T 0 5 2.00 1.000 2.000 1.000 1.000 1.000 50.0 1.857 b T 1 5 11.1 11.14 11.21 11.30 11.38 11.42 6.40 10.364 a T 2 5 10.0 10.22 10.36 10.32 10.39 10.41 8.20 9.529 a T 3 5 10.0 10.18 10.28 10.37 10.42 10.45 9.00 9.529 a T 4 5 11.1 11.26 11.32 11.38 11.46 11.52 8.40 10.434 a T 5 5 8.40 9.950 10.15 10.24 10.25 10.37 47.4 9.194 a T 6 5 10.7 10.96 11.08 11.21 11.30 11.36 13.2 10.230 a Means 5.000 b 9.043 a 9.244 a 9.486 a 9.403 a 9.457 a 9.504 a
18. Table 6. Effect of storage on non-reducing sugar of melon cubes. Values followed by different letters are significantly (P < 0.05) different from each other. LSD value at 5% level for storage intervals= 2.881 LSD value at 5% level for treatments= 2.881 Treatments Storage intervals (days) Means Fresh 2 nd 3 rd 4 th 5 th 6 th 7 th % Dec. T 0 1.88 1.860 1.000 1.000 0.800 1.000 1.000 56.38 1.220 b T 1 1.88 17.94 17.92 17.83 17.58 17.55 17.42 2.910 15.446 a T 2 1.88 17.50 17.37 17.25 17.12 17.02 16.84 3.770 14.997 a T 3 1.88 15.92 15.87 15.77 15.74 15.69 15.59 2.070 13.780 a T 4 1.88 17.23 16.67 16.93 16.88 16.73 16.68 3.190 14.714 a T 5 1.88 16.70 16.68 16.61 16.53 16.62 16.51 1.140 14.504 a T 6 1.88 18.04 17.93 17.85 17.86 17.76 17.68 3.990 15.571 a Means 1.880 b 15.027 a 14.777 a 14.749 a 14.644 a 14.624 a 14.531 a
19. Table 7. Effect of storage on water activity of melon cubes. Interval values followed by different letters are significantly (P < 0.05) different from each other. LSD value at 5% level for storage intervals= 0.051 Treatments Storage interval (days) Fresh 2 nd 3 rd 4 th 5 th 6 th 7 th % Dec . Means T 0 0.937 0.934 0.93 0.928 0.927 0.925 0.921 26.36 0.929 T 1 0.937 0.933 0.931 0.927 0.925 0.922 0.919 17.02 0.928 T 2 0.937 0.932 0.928 0.924 0.921 0.917 0.915 9.942 0.925 T 3 0.937 0.934 0.93 0.928 0.926 0.924 0.921 25.49 0.929 T 4 0.937 0.933 0.928 0.925 0.923 0.92 0.918 12.60 0.926 T 5 0.937 0.934 0.931 0.938 0.926 0.923 0.92 6.72 0.930 T 6 0.937 0.932 0.929 0.926 0.922 0.918 0.916 11.71 0.926 Means 0.937 a 0.933 a 0.93 ab 0.928 ab 0.924 b 0.921 b 0.919 b
20. Table 8. Mean scores of judges for texture of melon cubes. Values followed by different letters are significantly (P < 0.05) different from each other. LSD value at 5% level for storage intervals = 1.380 LSD value at 5% level for treatment = 1.380 Treatments Storage intervals (days) Means Fresh 2 nd 3 rd 4 th 5 th 6 th 7 th % Dec. T 0 9.00 3.00 4.00 4.00 7.00 3.00 5.00 66.7 5.00 b T 1 8.00 8.00 8.00 7.00 6.00 7.00 5.00 37.5 7.00 a T 2 9.00 8.00 8.00 5.00 5.00 3.00 4.00 66.7 6.00 ab T 3 9.00 7.00 8.00 7.00 7.00 6.00 6.00 33.3 7.14 a T 4 8.00 8.00 7.00 8.00 6.00 6.00 7.00 25.0 7.14 a T 5 9.00 8.00 8.00 6.00 7.00 5.00 5.00 44.4 6.86 a T 6 8.00 8.00 5.00 7.00 7.00 8.00 8.00 37.5 7.29 a Means 8.57 a 7.14 ab 6.86 bc 6.29 bc 6.43 bc 5.43 c 5.71 bc
21. Table 9. Mean score of judges for color of melon cubes . Values followed by different letters are significantly (P < 0.05) different from each other. LSD value at 5% level for storage interval = 0.861 LSD value at 5% level for treatments = 0.861 Treatments Storage intervals (days) Means Fresh 2 nd 3 rd 4 th 5 th 6 th 7 th % Dec. T 0 9.00 7.00 4.00 5.00 7.00 5.00 7.00 55.6 6.28 c T 1 8.00 7.00 7.00 7.00 7.00 7.00 7.00 12.5 7.14 bc T 2 9.00 8.00 6.00 6.00 6.00 6.00 6.00 33.3 6.71 c T 3 9.00 6.00 7.00 7.00 7.00 7.00 7.00 33.3 7.14 bc T 4 9.00 7.00 9.00 9.00 9.00 9.00 9.00 22.2 8.71 a T 5 9.00 8.00 8.00 8.00 8.00 8.00 8.00 11.1 8.14 ab T 6 9.00 9.00 9.00 9.00 9.00 9.00 9.00 0.00 9.00 a Means 8.86 a 7.43 b 7.14 b 7.29 b 7.57 b 7.29 b 7.57 b
22. Table 10. Mean score of judges for flavor of melon cubes. Values followed by different letters are significantly (P < 0.05) different from each other. LSD value at 5% level for storage intervals = 0.899 LSD value at 5% level treatments = 0.899 Treatments Storage intervals (days) Means Fresh 2 nd 3 rd 4 th 5 th 6 th 7 th % Dec. T 0 9.00 5.00 4.00 3.00 5.00 3.00 4.00 66.7 4.71 d T 1 8.00 5.00 6.00 6.00 6.00 5.00 5.00 37.5 5.86 c T 2 9.00 7.00 6.00 5.00 6.00 7.00 6.00 44.4 6.57 bc T 3 9.00 6.00 6.00 6.00 6.00 6.00 6.00 33.3 6.43 bc T 4 9.00 7.00 7.00 8.00 7.00 7.00 7.00 22.2 7.43 ab T 5 8.00 7.00 6.00 7.00 4.00 5.00 5.00 50.0 6.00 c T 6 9.00 7.00 8.00 9.00 7.00 8.00 7.00 22.2 7.86 a Means 8.71 a 6.29 b 6.14 b 6.29 b 5.86 b 5.86 b 5.71 b
23. Table 11. Mean score of judges for overall acceptability of melon cubes. Values followed by different letters are significantly (P < 0.05) different from each other. LSD value at 5% level for storage interval = 0.733 LSD value at 5% level for treatments = 0.733 Treatments Storage intervals (days) Means Fresh 2 nd 3 rd 4 th 5 th 6 th 7 th % Dec. T 0 9.00 5.00 4.00 3.00 5.00 3.00 4.00 66.7 4.71 d T 1 8.00 5.00 6.00 6.00 6.00 5.00 5.00 37.5 5.86 c T 2 9.00 7.00 6.00 5.00 6.00 7.00 6.00 44.4 6.57 bc T 3 9.00 6.00 6.00 6.00 6.00 6.00 6.00 33.3 6.43 bc T 4 9.00 7.00 7.00 8.00 7.00 7.00 7.00 22.2 7.43 ab T 5 8.00 7.00 6.00 7.00 4.00 5.00 5.00 50.0 6.00 c T 6 9.00 7.00 8.00 9.00 7.00 8.00 7.00 22.2 7.86 a Means 8.71 a 6.29 b 6.14 b 6.29 b 5.86 b 5.86 b 5.71 b