25018
After the combined processes , pectins were extracted by isopropanol / ethanol precipitation and the residues were analysed by HPLC or an elemental analyser .
 Chemical: isopropanol; 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: isopropanol; Chemical: ethanol