25622
Abstract The aim of this study was to evaluate the level of selenium ( Se ) in common raw plant materials ( herbs , leaves , flowers , fruits , and roots ) obtained from medicinal plants cultivated in Poland .
 Chemical: selenium; Chemical: Se
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: selenium; Chemical: Se