4239
Optimum conditions for toothed ponyfish muscle hydrolysis were 3 . 5 % hybrid catfish viscera extract , 15 min reaction time and fish muscle / buffer ratio of 1 : 3 ( w / v ) .
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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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