Research Article
Optimum Extraction Technology for the Seed Oil of Nigella sativa L.
Table 2
Significant analysis of the oil yield in the second extraction process.
| Average extraction rate of the 1st extraction step | The 2nd extraction step | Average extraction rate | Standard deviation | t inspection value | df | t0.01 (one side) |
| 33.51% | 7.86% | 1.06% | 38.53 | 26 | 2.479 |
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