16543
This data suggest that following oxidative stress , [ 6 ] - shogaol protects astrocytes from oxidative damage through the up - regulating levels of neurotrophic factors .
 Chemical: [ 6 ] - shogaol
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: [ 6 ] - shogaol 
Answer:
 Chemical: [ 6 ] - shogaol