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Table 5 Half-life for the enzyme stored at 4 °C and −20 °C over time

From: Solid-state production of cellulase by Melanoporia sp. CCT 7736: a new strain isolated from coconut shell (Cocos nucifera L.)

Temperature
(°C)
Half-life (months) Zero-order kinetic
constant (k)
Correlation
coefficient (R 2)
4 3.12 0.16 ± 0.01 0.97
−20 5.55 0.09 ± 0.006 0.96