3.4.22.33 -4 - bromelain retains 75% of its activity when stored without preservative at -4°C 731210 3.4.22.33 37 - partially purified enzyme, 120 min, pH 7.0, completely stable at 753642 3.4.22.33 40 50 partially purified enzyme, 120 min, pH 7.0, loss of 20% activity 753642 3.4.22.33 60 - inactivation increases if temperature exceeds 60°C 717050 3.4.22.33 60 - partially purified enzyme, 120 min, pH 7.0, loss of 30% activity 753642 3.4.22.33 60 - partially purified enzyme, 120 min, pH 7.0, loss of 50% activity 753642 3.4.22.33 70 - partially purified enzyme, 120 min, pH 7.0, loss of 70% activity 753642 3.4.22.33 70 - partially purified enzyme, 120 min, pH 7.0, loss of 80% activity 753642