6239
The most heavily contaminated vegetable was wastewater irrigated A . cepa , where the accumulation of Mn ( 28 . 05 mg kg ( - 1 ) ) in the edible parts was 50 - fold greater than A . cepa irrigated with tube well water irrigated soil .
 Chemical: Mn
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: Mn