Table 1 Initial screening for antimicrobial activity of extracts of plants used customarily to treat skin conditions
Planta (voucher number) | Extractb | Pseudomonas aeruginosa (ATCC 27853) | Staphylococcus aureus (ATCC 29213) | ||
|---|---|---|---|---|---|
Disc diffusionc | MTTd | Disc diffusionc | MTTd | ||
Average (range) | MIC median (range) | Average (range) | MIC median (range) | ||
Apple gum | |||||
Lophostemon suaveolens (Sol. ex Gaertn.) Peter G. Wilson & J.T. Waterh (MQ 73008908) | H2O (I) | na | na | 2 (1–3) | 188 (125–250) |
EtOH | na | na | 3 (2.5–3.5) | 93 (63–125) | |
Syncarpia glomulifera subsp. glomulifera (Sm.) Nied. (MQ 73009066) | H2O (I) | 5.5 (0–10) | na | 6.5 (5–10) | 300 (250–500) |
EtOH | na | na | 3 (3–6) | 63 (31–63) | |
Beach morning glory | |||||
Ipomoea brasiliensis (L.) Sweet (MQ 73007958)A | H2O (D) | na | na | na | na |
EtOH | na | na | na | na | |
Bloodwood | |||||
Corymbia intermedia (R.T. Baker) K.D. Hill & L.A.S. Johnson (NSW 792670) | H2O (I) | 1 (1) | na | 2 (1–3.5) | 250 (250–500) |
EtOH | na | na | 2.5 (2–4) | 299 (174–500) | |
Coastal jackbean | |||||
Canavalia rosea (Sw.) DC. (MQ 73008909) | H2O (D) | na | na | na | na |
EtOH | na | na | na | na | |
Cunjevoi | |||||
Alocasia brisbanensis Domin (MQ 73008737) | H2O (D) | na | na | na | na |
EtOH | na | na | na | na | |
Sarsaparilla | |||||
Smilax australis R.Br. (wide leaf) (NSW 792674) | H2O (I) | na | na | na | na |
Smilax glyciphylla Sm. (narrow leaf) (NSW 792380) | H2O (I) | na | na | na | na |
Yellowvine | |||||
Hibbertia scandens (Willd.) Gilg (MQ 73008905) | H2O (D) | na | na | na | na |
EtOH | na | na | na | na | |
Antibiotic control (Gentamycin) | 8 (8) | 1.25 | 8 (8) | 0.5 | |