Table 3 ANOVA and regression analysis of Fractional factorial design responses of Study 2.

From: Green extraction of bioactive components from carrot industry waste and evaluation of spent residue as an energy source

Source

Total carotenoid content

FRAP

ABTS

DPPH

p-value

p-value

p-value

p-value

Model

0.0005*

< 0.0001*

0.0264*

< 0.0001*

A-Solvent ratio

0.0604

< 0.0001*

0.0630

< 0.0001*

B-Temperature

0.0011*

< 0.0001*

0.8881

< 0.0001*

C-Time

0.3362

0.0007*

0.0288*

0.0003*

D-solid/solvent

0.0004*

< 0.0001*

0.2240

< 0.0001*

AB

0.0002*

0.2345

0.0397*

0.0005*

AC

0.0003*

0.0071*

0.1890

0.0130*

AD

0.3126

0.0058*

0.0065*

0.0001*

Curvature

0.0014*

< 0.0001

0.1155

< 0.0001

Lack of fit

0.7328

0.1522

0.1434

0.234

R2

0.9277

0.9687

0.9659

0.9996

R2 adjusted

0.8931

0.9081

0.8977

0.9989

Back to article page