Skip to main content

Table 6 Student test results for lipids extraction

From: Optimization of lipids’ ultrasonic extraction and production from Chlorella sp. using response-surface methodology

Factors

Coefficient

SD of coefficient

t

p-value

Constant

19.721

16.951

1.163

0.258

Time

− 0.689

0.573

−1.203

0.243

Time2

0.013

0.013

0.972

0.343

Temperature

−0.712

0.773

−0.920

0.369

Temperature2

0.005

0.008

0.652

0.522

Ch/M

15.154

8.360

1.813

0.085

(Ch/M)2

−4.728

1.875

−2.521

0.020a

Time × Temperature

0.004

0.006

0.658

0.518

Time × Ch/M

0.069

0.089

0.776

0.447

Temperature × Ch/M

0.067

0.071

0.941

0.358

  1. asignificant effect