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Table 2 FIC, FIC index and the results of interaction of cardamom and cinnamon essential oils combinations against E. coli and B. subtilis

From: Decoding antibacterial and antibiofilm properties of cinnamon and cardamom essential oils: a combined molecular docking and experimental study

Bacteria strain Plant EO MIC (% v/v) FIC (%v/v) FICI Remarks
   Alone Combination    
E. coli Cardamom 2.5 0.04 0.02 0.52 Additive
Cinnamon 0.08 0.04 0.50
Cardamom 2.5 0.04 0.02 1.02 Indifferent
Cinnamon 0.08 0.08 1
B. subtilis Cardamom 2.5 0.04 0.02 0.15 Synergist
Cinnamon 0.31 0.04 0.13
Cardamom 2.5 0.02 0.01 0.14 Synergist
Cinnamon 0.31 0.04 0.13