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 stepThe 2nd extraction step
Average extraction rateStandard deviationt inspection valuedft0.01 (one side)

33.51%7.86%1.06%38.53262.479