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Post-treatment of Fungal Biomass to Enhance Pigment Production
University of Borås, Faculty of Textiles, Engineering and Business.ORCID iD: 0000-0002-0923-1097
University of Borås, Faculty of Textiles, Engineering and Business.
University of Borås, Faculty of Textiles, Engineering and Business.ORCID iD: 0000-0003-4887-2433
University of Borås, Faculty of Textiles, Engineering and Business.ORCID iD: 0000-0003-3418-1762
2019 (English)In: Applied Biochemistry and Biotechnology, ISSN 0273-2289, E-ISSN 1559-0291Article in journal (Refereed) Published
Sustainable development
According to the author(s), the content of this publication falls within the area of sustainable development.
Abstract [en]

A new post-treatment method of fungal biomass after fermentation is revealed. The post-treatment strategy was utilized to produce pigments as an additional valuable metabolite. Post-treatment included incubation at 95% relative humidity where the effects of harvesting time, light, and temperature were studied. Pigment-producing edible filamentous fungus Neurospora intermedia cultivated on ethanol plant residuals produced 4 g/L ethanol and 5 g/L fungal biomass. Harvesting the pale biomass after 48 h submerged cultivation compared to 24 h or 72 h increased pigmentation in the post-treatment step with 35% and 48%, respectively. The highest pigment content produced, 1.4 mg/g dry fungal biomass, was obtained from washed biomass treated in light at 35 °C whereof the major impact on pigmentation was from washed biomass. Moreover, post-treated biomass contained 50% (w/w) crude protein. The post-treatment strategy successfully adds pigments to pre-obtained biomass. The pigmented fungal biomass can be considered for animal feed applications for domestic animals.

Place, publisher, year, edition, pages
2019.
Keywords [en]
Pigments, Neurospora intermedia, Carotenoids, Edible filamentous fungi, Post-treatment
National Category
Industrial Biotechnology
Research subject
Resource Recovery
Identifiers
URN: urn:nbn:se:hb:diva-21568DOI: 10.1007/s12010-019-02961-yScopus ID: 2-s2.0-85064279196OAI: oai:DiVA.org:hb-21568DiVA, id: diva2:1340890
Available from: 2019-08-06 Created: 2019-08-06 Last updated: 2019-08-07

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Gmoser, RebeccaFerreira, JorgeTaherzadeh, Mohammad JLennartsson, Patrik R.

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1617181920212219 of 219
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