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In this study , PKC - derived protein product was found suitable for use as an antimicrobial agent with potent antibacterial activity , particularly against Bacillus species , after enzymatic hydrolysis with alcalase .
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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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