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Table 3 Enzyme production during asphaltene biotransformation

From: Asphaltene biotransformation for heavy oil upgradation

Enzyme assay

Result

Indole Indigo assay

Negative

Catechol 1,2 dioxygenase assay

Positive

Catechol 2,3 dioxygenase assay

Positive

Laccase

Positive

Lignin peroxidase

Positive

Manganese peroxidase assay

Positive