Table 4. The predicted optimization extraction conditions in total peak area (Y
1
) and limonene peak area (Y
2
)
Total peak area (Y
1
)
D-Limonene (Y
2
)
X
1
65.56
74.94
X
2
62.14
64.12
X
3
57.85
61.00
Predicted values in stationary point
1,202.90
665.18