A rapid and intensive reddish-brown colour within 4 min indicated a high peroxidase activity. If there was no colour development after 5 min, the reaction was negative and the enzyme was considered inactivated.
A rapid and intensive reddish-brown colour within 4 min indicated a high peroxidase activity. If there was nocolour development after 5 min, the reaction was negative and the enzyme was considered inactivated.