3898
The opposite effects were observed in roots treated with 17 . 2 mg / L and 50 . 0 mg / L BPA , except for an increase in the content of nitrate in roots treated with 17 . 2 mg / L BPA and a decrease in the activities of nitrate reductase and nitrite reductase in roots of soybeans seedlings .
 Chemical: BPA; Chemical: nitrate; Chemical: BPA; Chemical: nitrate; Chemical: nitrite
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: BPA; Chemical: nitrate; Chemical: BPA; Chemical: nitrate; Chemical: nitrite