25625
A relatively high Se concentration , in the order of 50 mu g / kg d . w . , was found in Majoranae herba , Crataegi fructus , and Lini semen .
 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: Se