15.01.2013 Views

Microbiology Research - Academic Journals

Microbiology Research - Academic Journals

Microbiology Research - Academic Journals

SHOW MORE
SHOW LESS

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

5272 Afr. J. Microbiol. Res.<br />

Figure 2. Response surface plots showing binary interaction of different variables on the lipid content of T. fermentans.<br />

Huang et al. (2012).<br />

Table 5. Analysis of variance (ANOVA) for the quadratic model of lipid yield.<br />

Source<br />

Sum of<br />

Squares<br />

DF<br />

Mean<br />

square<br />

F-Value P-value<br />

Coefficient<br />

estimate<br />

Model 279.83 10 27.98 56.45 < 0.0001 5.72<br />

A-Acetic acid 58.02 1 58.02 117.03 < 0.0001 -2.03<br />

B-Furfural 49.92 1 49.92 100.69 < 0.0001 -1.89<br />

C-Catechol 44.46 1 44.46 89.68 < 0.0001 -1.78<br />

AB 0.48 1 0.48 0.96 0.3491 0.23<br />

AC 18.42 1 18.42 37.16 0.0001 1.41<br />

BC 0.00 1 0.00 0.00 0.9880 0.00<br />

A2 4.04 1 4.04 8.16 0.0171 -0.51<br />

B2 16.52 1 16.52 33.32 0.0002 -1.04<br />

C2 1.53 1 1.53 3.09 0.1091 -0.32<br />

ABC 0.02 1 0.02 0.04 0.8427 0.04<br />

Residual 4.96 10 0.50<br />

Lack of Fit 3.93 5 0.79 3.82 0.0838<br />

Pure Error 1.03 5 0.21<br />

Total 284.79 20<br />

R 2 = 0.9826; Adj. R 2 =0.9652.

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!