International Journal of Food Science / 2019 / Article / Tab 3

Research Article

Effect of Temperature and Duration Time of Maceration on Nitrate Content of Vernonia cinerea (L.) Less.: Circumscribed Central Composite Design and Method Validation

Table 3

Predicted values, experimental values, and percent error of the prediction.

ResponsesPredicted valueExperimental valueError (%)

Yield of the extraction (%)17.215.5±0.14-10.97
Nitrate content (%)0.6100.610±0.0010.00

%Error = (experimental value – predicted value)/experimental value × 100.

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