Efficient polygalacturonase production from agricultural and agro-industrial residues by solid-state culture of Aspergillus sojae under optimized conditions

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Table 7 Comparison of enzyme activities obtained under the same cultivation conditions

Microorganism	PG activity (U/g)	Specific activity (U/mg)	endo-activity (U/mL) at 1 U/mL exo-PG activity		PMG activity (U/g)	Proteolytic activity (log₁₀mm²)
Microorganism	exo	exo-PG	PG	PMG	exo	Proteolytic activity (log₁₀mm²)
A. sojae ATCC 20235	632.7 ± 61.7	133.7 ± 10.2	1.08 ± 0.07	0.87 ± 0.08	30.1 ± 2.4	2.50 ± 0.05
A. sojae CBS 100928	133.2 ± 12.1	54.6 ± 7.7	1.13 ± 0.01	0.99 ± 0.01	20.7 ± 1.9	2.12 ± 0.02

The observed values of enzyme activities were the mean values of duplicates with standard deviation (mean ± SD).