25434
It was found that immobilization increases the optimal reaction time for pectin degradation from 5 to 10min and temperature from 45 to 55 degrees C , whereas , the optimal pH remained same with reference to free enzyme .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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