Colorfastness of Extracted Wood-staining Fungal Pigments on Fabrics: a new potential for textile dyes

Eric M. Hinsch, Genevieve Weber, Hsiou-Lien Chen, Sara C. Robinson


In this study, pigments from three species of pigmenting fungi, Chlorociboria aeruginosa (xylindein, green), Scytalidium cuboideum (draconin red, red), and Scytalidium ganodermophthorum (yellow), were used to dye multi-fabric test strips. Tests for color stability and tests for colorfastness to washing with and without bleach, and to perspiration, were conducted. Color readings were taken using a colorimeter, and color differences were statistically determined based on overall color change as calculated using the CIE L*a*b* color space. The results indicated that all three pigments were stable over time, indicating that these pigments can be used for fabric dyeing, eliminating the need for additional chemicals or heat as is required for traditional fabric dyes. Xylindein and draconin red exhibited good colorfastness to washing, and xylindein good colorfastness to perspiration. These results indicate that xylindein shows good potential as a dye for garment fabrics, and draconin red shows good potential as a dye for second-layer garment fabrics.

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