TABLE 1.
L. monocytogenes ATCC 7644 |
S. aureus ATCC 25923 |
E. coli ATCC 25922 |
S. enterica Enteritidis ATCC 13076 |
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MIC | MBC | MIC | MBC | MIC | MBC | MIC | MBC | |
Rhizome extract | 3.125 | 6.25 | 0.78 | 1.56 | 12.5 | 12.5 | 12.5 | 12.5 |
Corypalmine | 2 | >2 | >2 | ND | >2 | ND | >2 | ND |
Protopine | 2 | >2 | >2 | ND | >2 | ND | >2 | ND |
Yuanhunine | >2 | NDa | >2 | ND | >2 | ND | >2 | ND |
Coptisine | 2 | >2 | 1 | 2 | 2 | >2 | >2 | ND |
Tetrahydropalmatine | 2 | >2 | >2 | ND | >2 | ND | >2 | ND |
Corydaline | 2 | >2 | >2 | ND | >2 | ND | >2 | ND |
Columbamine | 1 | >2 | 1 | >2 | 1 | 2 | 2 | >2 |
Berberine | 1.5 | >2 | 0.5 | >2 | 1.5 | >2 | >2 | ND |
Dehydrocorybulbine | 2 | >2 | 1 | >2 | >2 | ND | >2 | ND |
Palmatine | 1 | >2 | 1 | 2 | 1 | >2 | 2 | >2 |
Dehydrocorydaline | 1 | 2 | 0.5 | 2 | 1 | 2 | 1 | >2 |
Oxoglaucine | 2 | >2 | 2 | >2 | >2 | ND | >2 | ND |
Ampicillin (μg/mL) | 0.5 | 0.75 | 1 | 1.5 | 5 | 25 | 1 | >25 |
aND, not determined.