Raw materials extracts | Concentration of phenolic extract (µg/µg DPPH) | Inhibition (%) | Remaining (%) |
RDSP | 2.85 | 3.68 | 96.32 |
| 6.65 | 19.70 | 80.30 |
10.45 | 35.25 | 64.75 | |
14.25 | 41.57 | 58.44 | |
19.00 | 44.60 | 55.41 | |
28.50 | 79.34 | 20.66 | |
76.00 | 82.13 | 17.87 | |
Nescafé | 5.44 | 31.20 | 68.80 |
| 12.68 | 42.88 | 57.12 |
19.93 | 55.90 | 44.11 | |
27.18 | 57.96 | 35.00 | |
36.24 | 84.34 | 15.66 | |
54.36 | 89.30 | 10.74 | |
72.48 | 88.36 | 11.64 | |
Coffee | 18.68 | 22.62 | 77.38 |
| 43.58 | 28.20 | 71.82 |
68.475 | 43.30 | 56.74 | |
93.375 | 53.06 | 46.94 | |
124.50 | 76.48 | 23.52 | |
186.75 | 82.62 | 17.38 | |
249 | 85.57 | 14.43 |