10357
Therefore in this study we investigated the production of a PvdQ powder by spray - freeze drying using mannitol , trehalose and inulin as excipient .
 Chemical: mannitol; Chemical: trehalose
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: mannitol; Chemical: trehalose