24637
Among the significant findings , Zn concentration in serum and liver tissue of diesel and biodiesel were different from control ( p < 0 . 05 ) .
 Chemical: Zn
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: Zn