| 
      *Ammoniagenesis was graded according to the previous reports; ++: strong
positive, +: positive, -: negative
        |  | MICs of Agarwood extracts    (mg/ml) |  
        |  | WEA | EEA | Ammoniagenesis* |  
        | G (-) Bacteria |  |  |  |  
        | Escherichia coli | > 8 | > 8 | + [37, 38] |  
        | Bacteroides vulgatus | 8 | 8 | + [38] |  
        | Bacteroides fragilis | 8 | 8 | + [38] |  
        | G (+) Bacteria |  |  |  |  
        | Staphylococcus aureus | 4 | 4 | ++ [37] |  
        | Clostoridium difficile | 8 | 4 | + [38] |  
        | Peptostreptococcus anaerobius | 4 | 4 | ++ [39-41] |  
        | Enterococcus faecalis | > 8 | > 8 | + [42] |  
        | Bifidobacterium longtum | > 8 | > 8 | - [39] |  
        | Bifidobacterium adolescentis | > 8 | > 8 | - [39] |  |