10173
Principal component analysis indicated that a low abundance of lactate - producing and butyrate - producing species was associated with beta - cell autoimmunity .
 Chemical: lactate; Chemical: butyrate
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: lactate; Chemical: butyrate