Research Article
Antimicrobial Fatty Acids from Green Alga Ulva rigida (Chlorophyta)
Table 4
Antibacterial activity of FG1-FG9 fractions obtained from U. rigida (Ghar El Melh).
| | Fraction | S. aureus ATCC 25923 | E. feacalis ATCC 29212 | A. Salmonicida | | | ID (mm) | MIC (μg/ml) | ID (mm) | MIC (μg/ml) | ID (mm) | MIC (μg/ml) |
| | FG1 | 17±1 | 250±0 | 18.3±0.5 | 250±0 | 12.6±0.5 | 500±0 | | FG2 | 13.6±0.5 | 500±0 | 13.6±0.5 | 500±0 | 6.6±0.5 | 500±0 | | FG3 | 12.3±2 | 500±0 | 8.3±0.5 | 500±0 | - | | | FG4 | 8.6±0.5 | 500±0 | - | | - | | | FG5 | - | | - | | - | | | FG6 | - | | - | | 14±0 | 250±0 | | FG7 | 6.3±0.5 | 500±0 | - | | 10.6±0.5 | 500±0 | | FG8 | 9±1 | 500±0 | - | | - | | | FG9 | - | | - | | - | |
|
|
: concentration 500 μg/disc, ID: inhibition diameter, MIC: minimal inhibition concentration, and -: not active |
