Thermostability of the WCCE against tested microorganismsa.
| Test microorganism's | Thermostability of extracts at 95 °C for different times (min) by measuring zone of inhibition (8 mm) | ||
|---|---|---|---|
| 5 | 45 | 90 | |
| Gram-negative bacteria | |||
| ATCC 14028 | 13.00 ± 0.01b | 14.50 ± 0.05a | 19.00 ± 0.05a |
| ATCC 35150 | 09.00 ± 0.01b | 12.00 ± 0.03a | 10.00 ± 0.04a |
| ATCC 43894 | 12.00 ± 0.03b | 13.00 ± 0.03a | 13.00 ± 0.05a |
| Gram-positive bacteria | |||
| ATCC 13150 | 14.50 ± 0.01a | 14.00 ± 0.02a | 16.00 ± 0.04a |
| ATCC 12600 | 12.00 ± 0.02a | 12.00 ± 0.01a | 14.00 ± 0.03a |
| ATCC 19118 | 15.00 ± 0.02a | 15.00 ± 0.02a | 20.00 ± 0.06a |
| ATCC 14579 | 15.00 ± 0.02b | 18.00 ± 0.03a | 21.00 ± 0.02a |
| Fungi | |||
| KCTC 7965 | 08.50 ± 0.03b | 08.50 ± 0.03b | 08.50 ± 0.05bc |
| KCTC 6145 | — | 08.00 ± 0.03b | 10.50 ± 0.05a |
| KCTC 6143 | 11.30 ± 0.02a | 11.00 ± 0.01a | 12.00 ± 0.03b |
| KCTC 6317 | — | 09.30 ± 0.03a | 09.50 ± 0.04a |
—: no inhibition zone, a–c letters are according to increasing mean values, different letters in each row for each extract's antimicrobial activity represent statistically significant difference (p < 0.05), same letters in each row for each extract's antimicrobial activity represents non-significant difference (p > 0.05).