arrhenius plots indicated that the energy of activation for the heavy beta-amylase remained relatively unchanged ( 12.7 to 13.0 kilocalories per mole ) from 0 to 30 degrees c , whereas the energy of activation for the light amylase increased from 12.0 to about 28.0 kilocalories per mole at 8.7 degrees c as temperature was lowered .
C0005194
beta-amylase
C0002712
amylase