724
A . sativum ( garlic ) EO showed a good antimicrobial activity against Staphylococcus aureus ( inhibition zone 14 . 8 mm ) , Pseudomonas aeruginosa ( inhibition zone 21 . 1 mm ) , and Escherichia coli ( inhibition zone 11 . 0 mm ) , whereas the EO of A . porrum ( leek ) had no antimicrobial activity .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None