Decolourisation of synthetic and spentwash melanoidins using the white-rot fungus Phanerochaete chrysosporium JAG-40

J Dahiya, D Singh, Poonam Singh - Nee Nigam

Research output: Contribution to journalArticle

72 Citations (Scopus)

Abstract

Phanerochaete chrysosporium JAG-40 was isolated from the soil samples saturated with spilled molasses collected from a sugar mill. This isolate decolourised synthetic and natural melanoidins present in spentwash in liquid fermentation; up to 80% in 6 days at 30 degreesC under aerobic conditions. A large inoculum size stimulated fungal biomass production, but this gave less decolourisation of pigment; 5% w/v (dry weight) mycelial suspension was found optimum for maximum decolourisation in melanoidin medium supplemented with glucose and peptone. Gel-filtration chromatography showed that larger molecular weight fractions of melanoidin were decolourised more rapidly than small molecular weight fractions. (C) 2001 Elsevier Science Ltd. All rights reserved.
LanguageEnglish
Pages95-98
JournalBioresource Technology
Volume78
Issue number1
Publication statusPublished - May 2001

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Phanerochaete chrysosporium
melanoidins
white-rot fungi
decolorization
molecular weight
peptones
aerobic conditions
molasses
biomass production
inoculum
soil sampling
pigments
fermentation
sugars
glucose
liquids

Cite this

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Decolourisation of synthetic and spentwash melanoidins using the white-rot fungus Phanerochaete chrysosporium JAG-40. / Dahiya, J; Singh, D; Singh - Nee Nigam, Poonam.

Vol. 78, No. 1, 05.2001, p. 95-98.

Research output: Contribution to journalArticle

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AB - Phanerochaete chrysosporium JAG-40 was isolated from the soil samples saturated with spilled molasses collected from a sugar mill. This isolate decolourised synthetic and natural melanoidins present in spentwash in liquid fermentation; up to 80% in 6 days at 30 degreesC under aerobic conditions. A large inoculum size stimulated fungal biomass production, but this gave less decolourisation of pigment; 5% w/v (dry weight) mycelial suspension was found optimum for maximum decolourisation in melanoidin medium supplemented with glucose and peptone. Gel-filtration chromatography showed that larger molecular weight fractions of melanoidin were decolourised more rapidly than small molecular weight fractions. (C) 2001 Elsevier Science Ltd. All rights reserved.

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