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Applied Biological Chemistry

Table 4 Optimum conditions, predicted and experimental values of the response variables

From: Optimizing the extraction of essential oil from cinnamon leaf (Cinnamomum verum) for use as a potential preservative for minced beef

Optimum conditions

Coded levels

Values

Extraction time (min)

0.43

175.43

Extraction temperature (℃)

− 1

105

Feed Mass (g)

− 1

600

Response variables

Predicted values

Experimental values

Yield (%)

2.90

2.915 ± 0.72

Cinnamaldehyde concentration (% area)

34.60

33.94 ± 0.61

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