Journal of Advanced Microbiology

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Abstract: The present study was aimed at isolating natural dye from Xylaria polymorpha, a wood rot

fungus with club shaped fruiting body by standardizing the extraction protocol. Different fabrics viz. silk, wool

and cotton were dyed using the extracted dye employing different common mordants of metallic salts and few

natural mordants and the resultant shades, fastness properties and colour coordinates were compared on the

test fabrics. The dye produced different shades of blackish brown on the dyed fabrics. Based on the highest

absorbance, best performance of the dye was recorded with wool followed by silk whereas least absorbance

was observed with cotton. The dye showed high affinity with wool and silk fabrics but relatively low affinity

with cotton. It is found to hold very good to excellent colourfastness (rating 4-5) on wool and silk fabrics but

good to very good (rating 3-4) on cotton against various colour retarding factors. The study evidently indicated

that X. polymorpha dye is suitable for dyeing wool, silk and cotton thus establishing the fungus as a potential

source of textile dye of biological origin. This is the first report on X. polymorpha as a viable source of textile

dye of biological origin.

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