Development of optimal Culture Method of Sparassis crispa mycelia and new extraction method of Antineoplastic Constituent.
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Date
2006-05
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Abstract
The optimal culture condition of basidiomycete Sparassis crispa mycelia was determined for producing a large amount of antineoplastic constituent, i.e. β-1,3-glucan. Furthermore, a new extraction method with steam explosion as a pretreatment was attempted to increase the amount of antineoplastic constituent extracted from S. crispa mycelia. The shake-flask liquid culture of fungal mycelia could shorten a culture time up to about 1/3 compared with the conventional stationary liquid culture. The productivity of S. crispa mycelia reached its maximum at an initial glucose concentration of 30 g/L, a culture temperature of 25–30 °C, and pH 5. Steam explosion at a steam temperature of 225 °C for 5 min not only enhanced the amount of antineoplastic constituent extracted from the mycelia but also shortened the extraction time significantly.
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Keywords
Bioconversion, Filamentous fungi, β-1,3-Glucan, Microbial growth, Plant cell culture, Sparassis crispa
Citation
Kurosumi, A., Kobayasi, F., Mtui, G. and Nakamura, Y., 2006. Development of optimal culture method of Sparassis crispa mycelia and a new extraction method of antineoplastic constituent. Biochemical engineering journal, 30(1), pp.109-113.