17335
For the study , 100 volunteers were assigned to 2 dietary groups , low ( 15 g / day , n = 50 ) and high ( 210 g / day , n = 50 ) kimchi intake , and were housed together in a dormitory for 7 days .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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