11514
So , we speculated that 50 - 200 mu M REEs could activate some of antioxidant enzymes , adjust some isozymes expression , trigger the defense responses of T . hemsleyanum suspension cells , and stimulate flavonoid accumulation by inducing PAL activity .
 None
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:  
Answer:
 None