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Table 5 Experimental planning matrix (real and coded values) and relative activity results (%) for the conditions evaluated in the reaction system by microwave irradiation with enzymatic extracts produced from swine hair pretreated and non-pretreated with an ultrasonic probe

From: Reactional ultrasonic systems and microwave irradiation for pretreatment of agro-industrial waste to increase enzymatic activity

Assays Microwave Relative Activity (%)
Temperature (°C) Time (min) Pretreatment by ultrasonic probe Without pretreatment
1 −1 (30) −1 (5) 0.0 0.0
2 +1 (80) −1 (5) 15.1 0.0
3 −1 (30) +1 (15) 0.0 0.0
4 +1 (80) +1 (15) 8.8 0.0
5 0 (55) 0 (10) 0.0 0.0
6 0 (55) 0 (10) 0.0 0.0
7 0 (55) 0 (10) 0.0 0.0
8 0 (55) 0 (10) 0.0 0.0
Enzymatic extract obtained after FS without exposure to reaction systems 79.5 U mL−1 128.8 U mL−1