17538
The improvements in the central ( natural ) and radiation - induced ( two side peaks corresponding to the cellulose radicals ) signal intensities were obvious , when compared with routine freeze - drying and alcoholic - extraction techniques .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None