Effect of Eugenol on Cell Surface Hydrophobicity, Adhesion, and Biofilm of Candida tropicalis and Candida dubliniensis Isolated from Oral Cavity of HIV-Infected Patients

Table 1

Metabolic activities of biofilm formed by Candida dubliniensis and Candida tropicalis on different substrate surfaces.

Isolate	Metabolic activity (OD)^a
	Polystyrene	PMM	Ceramic
Candida dubliniensis
ATCC MYA-646	0.855±0.029	0.711±0.056	0.499±0.055
131	1.045±0.032	0.795±0.058	0.628±0.056
219	0.989±0.033	0.751±0.054	0.566±0.057
248	1.094±0.034	0.810±0.055	0.637±0.056
Candida tropicalis
ATCC 28707	0.978±0.029	0.745±0.058	0.559±0.056
23	1.136±0.032	0.815±0.056	0.638±0.057
150	1.100±0.034	0.801±0.056	0.635±0.057
176	1.056±0.031	0.786±0.057	0.624±0.054
Mean ± SD	𝟏.𝟎𝟑𝟐±𝟎.𝟎𝟗𝟎^∗	𝟎.𝟕𝟕𝟕±𝟎.𝟎𝟑𝟕^#	𝟎.𝟓𝟗𝟖±𝟎.𝟎𝟓𝟏^¥

aMetabolic activity of sessile cells was determined by the XTT-reduction assay. The XTT formazan product was measured at 490 nm.
∗,#,¥Means not sharing a symbol differ significantly (𝑃<0.05) between the abiotic surfaces.