Antifungal effect of tinctures from propolis and pomegranate against species of Candida
Keywords:
Candida albicansM Apis mellifera, Punica granatum.Abstract
The use of natural products in Dentistry has been shown as an alternative sourceagainst oral diseases, including fungi infections, generally caused by Candida spp.
The aim was to evaluate the antifungal action of tinctures from propolis (Apis
milifera) and from pomegranate (Punica granatum) on Candida albicans (ATCC
76618), Candida krusei (ATCC 6538) and Candida tropicalis (ATCC 13803). The
antifungal activity of tinctures was evaluated by Minimum Inhibitory Concentration
method on Saburaud Dextrose Agar (Difco®). Six wells were confectioned, with 6 mm
of diameter, to the insertion of 50 µL of tinctures. Six serial concentrations were
evaluated, been 200 mg/mL the initial concentration for tincture from propolis and
300 mg/mL the initial concentration for tincture from pomegranate. Later, the Petri
plates were incubated in bacteriological incubator for 48 h on 37 ºC. Data analysis
for Minimum Inhibitory Concentration was conducted by measurement of inhibition
zones, been considered inhibited when equal or bigger than 10 mm of diameter. For
tincture from pomegranate, was verified that the Minimum Inhibitory Concentration
on Candida albicans, Candida krusei and Candida tropicalis were 9.37 mg/mL,
9.37 mg/mL and 18.75 mg/mL, respectively. For tinctures from propolis, the
antifungal action was verified only in pure concentration on Candida krusei and Candida tropicalis, but it was not observed on Candida albicans. The tinctures from
pomegranate and propolis had antifungal activity on evaluated strains, except for
tincture from propolis on Candida albicans.
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