Table 4.
Concentration of plant extracts to reduce bacterial culture densities by 50%
| Extract | Bacterial culturec | Bactericidal potentialb | |||
|---|---|---|---|---|---|
| V. cholerae a | E. coli ATCC 25922 a | E. coli O44 a | L. rhamnosus | ||
| agrimony | 1.25 | 10 | 2.5 | > 10 | Nod |
| blackberry leaf | 1.25 | 10 | > 10 | > 10 | Nod |
| raspberry leaf | 1.25 | 2.5 | 2.5 | > 10 | No |
| rosehip | 2.5 | > 10 | > 10 | > 10 | No |
| wild strawberry leaf | 0.625 | > 10 | > 10 | > 10 | No |
aEntries in bold indicate effects at, or below, traditional doses
bTested against V. cholerae, E. coli ATCC 25922, E. coli O44 and L. rhamnosus
cValues in mg/mL applied plant extract
dBactericidal potential observed at 10 mg/mL levels, above Traditional concentrations