6664
A Cyclocarya paliurus ( Batal . ) Iljinskaja polysaccharide ( CPP ) was isolated and purified by hot water extraction , ethanol precipitation , deproteinisation and anion - exchange chromatography .
 Chemical: ethanol
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: ethanol