Table 8. Comparison of P.CubebaOE with Some Other Studied (% IE Is Reported at the Maximum) Extracts.
| source of extract | test medium | metal/alloy | % IE | references |
|---|---|---|---|---|
| olive leaf extract | H2NSO3H | C-steel | 89.6 | (71) |
| Citrus sinensis extract | H2SO4 | C-steel | 83.6 | (72) |
| aqueous extract of juniperus | H2NSO3H | C-steel | 72.6 | (73) |
| tragia involucrata | HCl | C-steel | 88.0 | (74) |
| myrtus communis extract | H2NSO3H | C-steel | >85.0 | (75) |
| P. cubeba official extract | H2NSO3H | C-steel | 96.0 | our results |