Optimization of Ultrasound-Assisted Extraction of Polyphenol Content from Zea mays Hairs (Waste)

Table 6

Effect estimation, statistical significance, and regression coefficient estimates for phenolic compounds extraction from Z. mays hairs.

Nom	Coefficient	Sum of squares	Signif. (%)
b0	27.325	0.0093026051	<0.01
b1	−2.257	0.0032889676	<0.01
b2	−6.491	0.0032889676	<0.01
b3	−0.318	0.0032889676	<0.01
b1-1	−5.062	0.0061530949	<0.01
b2-2	−2.179	0.0061530949	<0.01
b3-3	−5.990	0.0061530949	<0.01
b1-2	−2.249	0.0046513025	<0.01
b1-3	0.690	0.0046513025	<0.01
b2-3	−1.181	0.0046513025	<0.01