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The wnk8 mutant also accumulated 1 . 43 - fold more proline than the wild - type in the sorbitol treatment .
 Chemical: proline; Chemical: sorbitol
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: proline; Chemical: sorbitol