Optimization of growth conditions for cultivation of Phellinus linteus mycelia using swine waste as a growth substrate

Title
Optimization of growth conditions for cultivation of Phellinus linteus mycelia using swine waste as a growth substrate
Authors
구태완이준엽조경진이장우신승구황석환
Keywords
Optimization; Bioconversion; Response surface analysis; Phellinus linteus
Issue Date
2015-06
Publisher
유기물자원화 (구-폐기물자원화)
Citation
VOL 23, NO 2, 53-60
Abstract
Newly, nutrients recovery by bioconversion in the swine waste which caused serious problems due to its high organic fraction and content of nutrients such as phosphorus and nitrogen is viewed as a considerable approach since it produces valuable product as well as recycling of resources. Consequently, it is necessary to find new methods to treat swine waste. One possible solution to this problem is to use this potential pollutant as a growth substrate for economically valuable products. The study for the fundamental improvement of bioconversion efficiency by finding optimum growth conditions using statistical models and biotechnology was performed. A novel approach to utilize swine waste by cultivating mycelia of the mushroom Phellinus linteus are described. A central composite face-centered design (CCF) for the experiments was used to develop empirical model providing a quantitative interpretation of the relationships among the three variables, which were substrate concentration, pH, and temperature. The maximal radial extension rate (2.78mm/d) of P.linteus was determined under the condition of 5.0 g COD/L, pH 5.0, and temperature 29.7℃. The results of this study suggest that swine waste could be utilized as a growth substrate for the cultivation of mushroom mycelia enhancing an efficiency of utilizing this by-product of the livestock industry.
URI
http://pubs.kist.re.kr/handle/201004/51089
ISSN
12256498
Appears in Collections:
KIST Publication > Article
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