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    • ISSN: 2010-0264
    • Frequency: Bimonthly (2010-2014); Monthly (Since 2015)
    • DOI: 10.18178/IJESD
    • Editor-in-Chief: Prof. Richard Haynes
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Editor-in-chief
The University of Queensland, Australia
It is my honor to be the editor-in-chief of IJESD. The journal publishes good papers in the field of environmental science and development.
IJESD 2013 Vol.4(5): 552-557 ISSN: 2010-0264
DOI: 10.7763/IJESD.2013.V4.412

Analysis of Shiitake Environmental Performance via Life Cycle Assessment

Rungnapa Tongpool and Patcharaporn Pongpat
Abstract—Shiitake (Lentinula edodes) is one of the most popular mushrooms in the world. Shiitake farms in Thailand used the sawdust transported for a long distance. Waste management of spent substrate bags is in environmental concern. Energy is also needed for sterilization process. Therefore the environmental performance of shiitake was evaluated in this work using life cycle assessment method. We found that shiitake caused relatively high environmental impacts, compared to everyday vegetables. The impacts in the categories of fossil depletion, climate change and terrestrial acidification caused by 1 kg shiitake were 0.59 kg oil equivalent, 1.87 kg CO2 equivalent and 0.02 kg SO2 equivalent, respectively. The main impact contributions came from (i) production of sugar and rice bran used as a substrate, (ii) transportation of sawdust and firewood used as a substrate and fuel (iii) fuel burning during sterilization and (iv) burning of spent bags and neck rings. If the sawdust was transported in the distance of 100 km and if the spent bags and neck rings were not burnt but used for plastic recycling, the impacts of 52, 58 and 30 % of fossil depletion, climate change and terrestrial acidification can be reduced, respectively.

Index Terms—Climate change, environment, LCA, shiitake.

The authors are with the National Metal and Materials Technology Center, Pathumthani, 12120 Thailand (e-mail: rungnapt@mtec.or.th, patcharp@mtec.or.th).

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Cite:Rungnapa Tongpool and Patcharaporn Pongpat, "Analysis of Shiitake Environmental Performance via Life Cycle Assessment," International Journal of Environmental Science and Development vol. 4, no. 5, pp. 552-557, 2013.

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