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Mycofabrication of Mycelium-Based Leather from Brown-Rot Fungi. | LitMetric

Mycofabrication of Mycelium-Based Leather from Brown-Rot Fungi.

J Fungi (Basel)

Department of Chemical Engineering, Graduate School of Chosun University, 309 Pilmun-daero, Dong-gu, Gwangju 61452, Gyeonggi, Korea.

Published: March 2022

AI Article Synopsis

  • Sustainable leather alternatives can be produced from mushroom mycelium, offering an eco-friendly option compared to traditional animal and synthetic leathers.
  • This study explores the properties of mycelium-based leather, focusing on characteristics such as strength, density, and thermal stability, with improvements seen from treatments like polyethylene glycol.
  • Overall, high-density mycelium networks demonstrate significant potential for mycelium-based leather to serve as a viable substitute in various industrial applications.

Article Abstract

Sustainable substitutes for leather can be made from mushroom mycelium, which is an environmentally friendly alternative to animal and synthetic leather. Mycelium-based leather is derived from Polyporales, in which lignocellulosic material is used as the substrate. The plasticizing and crosslinking of mycelial mats with various reagents might affect the leather properties and mycelial architecture. This study investigated the physicochemical and mechanical properties of mycelium-based leather (MBL) samples, including the hygroscopic nature, thermal stability, cell wall chemistry, density, micromorphology, tensile strength, elongation rate, and Young's modulus. Micromorphological observations confirmed the mycelial networks and their binding performance, verifying their efficacy as a substitute leather. The most significant effects were observed after treatment with 20% polyethylene glycol, which resulted in an increase in Young's modulus and tensile strength. Furthermore, the samples generally exhibited a high density (1.35, 1.46 g/cm) and tensile strength (7.21 ± 0.93, 8.49 ± 0.90 MPa), resembling leather. The tear strength reached as low as 0.5-0.8 N/mm. However, the tensile and tear strength may be affected by leather processing and the tuning of mycelial growth. Nevertheless, high-density mycelia are shown to be suitable for the production of MBL, while mycofabrication and strain selection are sustainable for novel industrial applications of MBL.

Download full-text PDF

Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8950489PMC
http://dx.doi.org/10.3390/jof8030317DOI Listing

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