Effect of common foods as supplements for the mycelium growth of Ganoderma lucidum and Pleurotus ostreatus on solid substrates

The transition from a linear to a circular economy is urgently needed to mitigate environmental impacts and loss of biodiversity. Among the many potential solutions, the development of entirely natural-based materials derived from waste is promising. One such material is mycelium-bound composites ob...

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Main Authors: Soh, Eugene, Saeidi, Nazanin, Javadian, Alireza, Hebel, Dirk E., Le Ferrand, Hortense
Other Authors: School of Mechanical and Aerospace Engineering
Format: Journal Article
Language:English
Published: 2021
Subjects:
Online Access:https://hdl.handle.net/10356/153421
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author Soh, Eugene
Saeidi, Nazanin
Javadian, Alireza
Hebel, Dirk E.
Le Ferrand, Hortense
author2 School of Mechanical and Aerospace Engineering
author_facet School of Mechanical and Aerospace Engineering
Soh, Eugene
Saeidi, Nazanin
Javadian, Alireza
Hebel, Dirk E.
Le Ferrand, Hortense
author_sort Soh, Eugene
collection NTU
description The transition from a linear to a circular economy is urgently needed to mitigate environmental impacts and loss of biodiversity. Among the many potential solutions, the development of entirely natural-based materials derived from waste is promising. One such material is mycelium-bound composites obtained from the growth of fungi onto solid lignocellulosic substrates, which find applications such as insulating foams, textiles, packaging, etc. During growth, the fungus degrades and digests the substrate to create a web-like stiff network called mycelium. The development of the mycelium is influenced by several factors, including the substrate composition. As food waste accounts for nearly 44% of total municipal solid waste, incorporating food in the substrate composition could be a means to increase the nutrients absorbed by the fungus. In this paper, we study the effects of the addition of food supplements on the growth of two fungal species, Ganoderma lucidum and Pleurotus ostreatus. The substrates, the food supplements, and the mycelia are characterized using Fourier-transform infrared spectroscopy, scanning electron microscopy, and optical microscopy. Our results show that addition of barley as a supplement significantly boosts the growth of G. lucidum and P. ostreatus. Using a common food as a nutritious enrichment for the development of mycelium is a simple and straightforward strategy to create waste-based mycelium-bound biocomposites for a large range of applications, on-site, therefore promoting a circular economy.
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spelling ntu-10356/1534212021-12-02T03:28:10Z Effect of common foods as supplements for the mycelium growth of Ganoderma lucidum and Pleurotus ostreatus on solid substrates Soh, Eugene Saeidi, Nazanin Javadian, Alireza Hebel, Dirk E. Le Ferrand, Hortense School of Mechanical and Aerospace Engineering School of Materials Science and Engineering Engineering::Materials The transition from a linear to a circular economy is urgently needed to mitigate environmental impacts and loss of biodiversity. Among the many potential solutions, the development of entirely natural-based materials derived from waste is promising. One such material is mycelium-bound composites obtained from the growth of fungi onto solid lignocellulosic substrates, which find applications such as insulating foams, textiles, packaging, etc. During growth, the fungus degrades and digests the substrate to create a web-like stiff network called mycelium. The development of the mycelium is influenced by several factors, including the substrate composition. As food waste accounts for nearly 44% of total municipal solid waste, incorporating food in the substrate composition could be a means to increase the nutrients absorbed by the fungus. In this paper, we study the effects of the addition of food supplements on the growth of two fungal species, Ganoderma lucidum and Pleurotus ostreatus. The substrates, the food supplements, and the mycelia are characterized using Fourier-transform infrared spectroscopy, scanning electron microscopy, and optical microscopy. Our results show that addition of barley as a supplement significantly boosts the growth of G. lucidum and P. ostreatus. Using a common food as a nutritious enrichment for the development of mycelium is a simple and straightforward strategy to create waste-based mycelium-bound biocomposites for a large range of applications, on-site, therefore promoting a circular economy. National Research Foundation (NRF) Published version This study was supported by the National Research Foundation of Singapore (Future Cities Laboratory Global grant) in the form of grants to DEH and HLF [021275-00001: Urban BioCycles Mycelium Digitalisation]. 2021-12-02T03:28:10Z 2021-12-02T03:28:10Z 2021 Journal Article Soh, E., Saeidi, N., Javadian, A., Hebel, D. E. & Le Ferrand, H. (2021). Effect of common foods as supplements for the mycelium growth of Ganoderma lucidum and Pleurotus ostreatus on solid substrates. PloS One, 16(11), e0260170-. https://dx.doi.org/10.1371/journal.pone.0260170 1932-6203 https://hdl.handle.net/10356/153421 10.1371/journal.pone.0260170 11 16 e0260170 en 021275-00001 PloS One © 2021 Soh et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. application/pdf
spellingShingle Engineering::Materials
Soh, Eugene
Saeidi, Nazanin
Javadian, Alireza
Hebel, Dirk E.
Le Ferrand, Hortense
Effect of common foods as supplements for the mycelium growth of Ganoderma lucidum and Pleurotus ostreatus on solid substrates
title Effect of common foods as supplements for the mycelium growth of Ganoderma lucidum and Pleurotus ostreatus on solid substrates
title_full Effect of common foods as supplements for the mycelium growth of Ganoderma lucidum and Pleurotus ostreatus on solid substrates
title_fullStr Effect of common foods as supplements for the mycelium growth of Ganoderma lucidum and Pleurotus ostreatus on solid substrates
title_full_unstemmed Effect of common foods as supplements for the mycelium growth of Ganoderma lucidum and Pleurotus ostreatus on solid substrates
title_short Effect of common foods as supplements for the mycelium growth of Ganoderma lucidum and Pleurotus ostreatus on solid substrates
title_sort effect of common foods as supplements for the mycelium growth of ganoderma lucidum and pleurotus ostreatus on solid substrates
topic Engineering::Materials
url https://hdl.handle.net/10356/153421
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