Table 2.
Conversion of cinnamaldehyde to cinnamic alcohol by E. coli O157:H7 in BHIB at 37°Ca
| Treatment | Concn (mg/liter) of: |
|||||
|---|---|---|---|---|---|---|
| Cinnamaldehyde |
Cinnamic alcohol |
|||||
| 0 h | 2 h | 4 h | 0 h | 2 h | 4 h | |
| BHIB plus cinnamaldehyde, uninoculated (negative control) | 156.4 ± 2.7Aa | 125.9 ± 1.0Ab | 115.9 ± 4.7Ab | ND | ND | ND |
| BHIB plus E. coli O157:H7 plus cinnamaldehyde (treatment) | 151.1 ± 16.1Aa | 120.6 ± 3.1Ab | 7.1 ± 0.1Bc | ND | ND | 114 ± 8.3 |
| BHIB plus E. coli O157:H7 (positive control) | ND | ND | ND | ND | ND | ND |
a
ND, not detected. Different superscript uppercase letters in each column indicate a significant difference (P < 0.05). Different superscript lowercase letters in each row denote a significant difference (P < 0.05).