Research Article
Optimizing the Extraction Conditions of Hydroxytyrosol from Olive Leaves Using a Modified Spherical Activated Carbon: A New Experimental Design
Table 3
Box-Behnken experimental design with three variables (
, , and
) and the yield adsorption of hydroxytyrosol on AC (
).
| | Adsorbent ration | Temperature | Time | HT adsorption (%) |
| | Test | | | | | | 1 | 01 : 10 | 10 | 3.5 | 70.77 | | 2 | 01 : 30 | 10 | 3.5 | 95.98 | | 3 | 01 : 10 | 30 | 3.5 | 68.33 | | 4 | 01 : 30 | 30 | 3.5 | 99.01 | | 5 | 01 : 10 | 20 | 1 | 49,42 | | 6 | 01 : 30 | 20 | 1 | 91.37 | | 7 | 01 : 10 | 20 | 6 | 78.61 | | 8 | 01 : 30 | 20 | 6 | 98.54 | | 9 | 01 : 20 | 10 | 1 | 70.41 | | 10 | 01 : 20 | 30 | 1 | 79.88 | | 11 | 01 : 20 | 10 | 6 | 92.25 | | 12 | 01 : 20 | 30 | 6 | 97.53 | | 13 | 01 : 20 | 20 | 3.5 | 96.85 | | 14 | 01 : 20 | 20 | 3.5 | 96.85 | | 15 | 01 : 20 | 20 | 3.5 | 96.85 |
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