Research Article
Optimization of Drying Parameters for Total Phenolic Content of Papaya Using Response Surface Methodology
Table 2
Central composite design and results for the response variable (TPC) following the drying process.
| Run no. | Time
| Temperature
| Thickness
| Stage
| TPC (db) (mg/100 g) |
| 1 | 10 | 70 | 7.5 | Semiripe | 13.04 | 2 | 8 | 60 | 5 | Ripe | 16.78 | 3 | 8 | 60 | 10 | Ripe | 17.65 | 4 | 10 | 60 | 10 | Green | 15.13 | 5 | 8 | 70 | 7.5 | Green | 13.22 | 6 | 9 | 70 | 7.5 | Ripe | 15.65 | 7 | 9 | 60 | 7.5 | Green | 11.74 | 8 | 9 | 70 | 7.5 | Semiripe | 12.61 | 9 | 10 | 80 | 10 | Ripe | 5.04 | 10 | 10 | 70 | 7.5 | Ripe | 16.96 | 11 | 8 | 80 | 10 | Green | 1.91 | 12 | 10 | 80 | 5 | Ripe | 1.22 | 13 | 9 | 70 | 7.5 | Green | 10.43 | 14 | 9 | 70 | 5 | Semiripe | 13.57 | 15 | 9 | 70 | 7.5 | Green | 10.43 | 16 | 10 | 60 | 5 | Green | 10.52 | 17 | 9 | 60 | 7.5 | Ripe | 16.09 | 18 | 9 | 70 | 7.5 | Ripe | 17.48 | 19 | 9 | 70 | 7.5 | Semiripe | 13.48 | 20 | 10 | 80 | 10 | Green | 7.22 | 21 | 8 | 80 | 5 | Semiripe | 6.26 | 22 | 9 | 70 | 7.5 | Semiripe | 14.78 | 23 | 9 | 70 | 7.5 | Green | 10.43 | 24 | 10 | 60 | 10 | Ripe | 19.13 | 25 | 8 | 70 | 7.5 | Semiripe | 15.91 | 26 | 9 | 70 | 5 | Ripe | 14.35 | 27 | 9 | 70 | 7.5 | Semiripe | 15.91 | 28 | 8 | 60 | 10 | Semiripe | 15.22 | 29 | 9 | 80 | 7.5 | Semiripe | 5.65 | 30 | 9 | 70 | 10 | Green | 8.78 | 31 | 9 | 60 | 7.5 | Semiripe | 13.22 | 32 | 9 | 70 | 7.5 | Ripe | 17.22 | 33 | 8 | 80 | 5 | Green | 1.913 | 34 | 8 | 80 | 10 | Ripe | 7.043 | 35 | 9 | 70 | 7.5 | Semiripe | 13.65 | 36 | 10 | 80 | 5 | Green | 2.70 | 37 | 9 | 80 | 7.5 | Green | 4.70 | 38 | 10 | 60 | 5 | Ripe | 13.83 | 39 | 10 | 80 | 10 | Semiripe | 5.57 | 40 | 8 | 80 | 5 | Ripe | 7.74 | 41 | 8 | 80 | 10 | Semiripe | 3.91 | 42 | 8 | 60 | 5 | Semiripe | 13.48 | 43 | 10 | 60 | 5 | Semiripe | 11.83 | 44 | 9 | 70 | 10 | Ripe | 15.22 | 45 | 9 | 70 | 7.5 | Ripe | 19.30 | 46 | 9 | 70 | 7.5 | Green | 10.43 | 47 | 9 | 80 | 7.5 | Ripe | 7.48 | 48 | 10 | 60 | 10 | Semiripe | 15.22 | 49 | 9 | 70 | 7.5 | Ripe | 16.96 | 50 | 9 | 70 | 7.5 | Semiripe | 11.39 | 51 | 9 | 70 | 5 | Green | 10.43 | 52 | 8 | 60 | 10 | Green | 10.35 | 53 | 9 | 70 | 7.5 | Green | 10.43 | 54 | 9 | 70 | 7.5 | Green | 10.43 | 55 | 10 | 80 | 5 | Semiripe | 4.35 | 56 | 10 | 70 | 7.5 | Green | 10.43 | 57 | 8 | 60 | 5 | Green | 11.83 | 58 | 9 | 70 | 7.5 | Ripe | 13.05 | 59 | 9 | 70 | 10 | Semiripe | 10.87 | 60 | 8 | 70 | 7.5 | Ripe | 16.43 |
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