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. 1991 Sep;57(9):2777-80.
doi: 10.1128/aem.57.9.2777-2780.1991.

Dyes as fungal inhibitors: effect on colony diameter

M R Bragulat  1 , M L Abarca, M T Bruguera, F J Cabañes
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Dyes as fungal inhibitors: effect on colony diameter

M R Bragulat et al. Appl Environ Microbiol. 1991 Sep.

Abstract

The effects of a wide range of concentrations of 13 dyes on the colony diameters of nine fungal strains (including members of the Deuteromycetes and Zygomycetes) were evaluated. Auramine at a concentration of 50 ppm (50 micrograms/ml), methylene blue at a concentration of 500 ppm, gentian violet at a concentration of 5 ppm, and phenol red at a concentration of 50 ppm performed as well as the commonly used dyes dichloran at a concentration of 2 ppm and rose bengal at a concentration of 50 ppm in that they allowed adequate colony development of the Deuteromycetes strains tested and controlled rapidly spreading fungi.

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