Collaboration of lactic acid fermentation from cassava with Indonesia for biodegradable plastic
| Project/Area Number |
17360436
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Recycling engineering
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| Research Institution | National University Corporation Tokyo University of Agriculture and Technology |
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Principal Investigator |
HONDA Taijirou National University Corporation Tokyo University of Agriculture and Technology, Institute of Symbiotic Science and Technology, Assistant professor, 大学院共生科学技術研究院, 助手 (20092497)
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| Co-Investigator(Kenkyū-buntansha) |
KOKUGAN Takao National University Corporation Tokyo University of Agriculture and Technology, Institute of Symbiotic Science and Technology, Professor, 大学院共生科学技術研究院, 教授 (00015108)
ISO Mamoru National University Corporation Tokyo University of Agriculture and Technology, Institute of Symbiotic Science and Technology, Associate professor, 大学院共生科学技術研究院, 助教授 (60184587)
QIAN Weihua National University Corporation Tokyo University of Agriculture and Technology, Institute of Symbiotic Science and Technology, Associate professor, 大学院共生科学技術研究院, 助教授 (00302919)
石原 篤 東京農工大学, 大学院共生科学技術研究部, 助教授 (60212908)
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| Project Period (FY) |
2005 – 2006
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| Project Status |
Completed (Fiscal Year 2006)
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| Budget Amount *help |
¥13,100,000 (Direct Cost: ¥13,100,000)
Fiscal Year 2006: ¥5,400,000 (Direct Cost: ¥5,400,000)
Fiscal Year 2005: ¥7,700,000 (Direct Cost: ¥7,700,000)
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| Keywords | Cassava / Biodegradable plastic / Sustainable development / Productivity / Specific growth rate / Poly lactic acid / Lactic acid / Membrane bio reactor / 乳酸 / ストレポトコッカスボビス / 豆腐廃液 / マグロエキス / 連続発酵 |
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| Research Abstract |
Poly-lactic acid from biomass is expected as environmentally friendly, and alternative biodegradable plastic. It is can be effective to reduce CO_2, to save fossil resources, and to lower load for circumstance. However the production cost of poly-lactic acid from biomass is higher by several times than one of conventional plastic. To reduce the production cost, new media of fresh cassava roots (FCR) in tofu liquid waste (TLW) was developed for L-lactic acid fermentation (Ghofar et al., 2006). To increase concentration of lactic acid fermented by S. bovis, concentrate maguro waste (CMW) was added in the new media (Ghofar and Kokugan, 2006)^2Suripto and Kokugan (2007)^3 studied temperature effect on L-lactic acid fermentation by S. bovis in the new media of FCR-(TLW+CMW2) and obtained the productivity of lactic acid of 2.88 g/l.h at optimum temperature of 39 ℃. It was equivalent to one in standard media.
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Report
(3 results)
Research Products
(13 results)
