28759
Mean values of Mg were respectively ( in micrograms per gram dry weight ) 541 . 8 for mycelium of C . cibarius cultured in vitro and 1 , 004 . 1 for C . cibarius fruiting bodies and 928 . 9 for the mycelium of B . badius cultured in vitro and 906 . 4 for B . badius fruiting bodies .
 Chemical: Mg
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
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Answer:
 Chemical: Mg