Feasibility of Bioethanol Production from Tubers of Dioscorea Sansibarensis and Pyrenacantha Kaurabassana

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dc.contributor.authorMoshi, Anselm P.
dc.contributor.authorNyandele, Jane P.
dc.contributor.authorNdossi, Humphrey P.
dc.contributor.authorSosovele, Eva M.
dc.contributor.authorHosea, Ken M.
dc.date.accessioned2016-06-26T16:58:39Z
dc.date.available2016-06-26T16:58:39Z
dc.date.issued2015
dc.descriptionFull text can be accessed at http://www.sciencedirect.com/science/article/pii/S0960852415011323en_US
dc.description.abstractInedible tubers from Dioscorea sansibarensis (DS) and Pyrenacantha kaurabassana (PK) were found to be suitable feedstock for bioethanol production. Important composition parameters for bioethanol production for DS and PK are dry matter (% fresh tubers) ca. 20 and 6, total carbohydrates % dry weight base (db) ca. 68 and 47 and total protein (% db) ca. 16 and 10, respectively. DS and PK were found to contain inulin and galactomannan as principal polysaccharides (% of total carbohydrate) ca. 90 and 70, respectively. Diluted acid hydrolysis yielded ca. 100% of total reducing sugars. Ethanol yield ca. 56 and 35 g/L was obtained at high efficiency through batch fermentation of acid hydrolysate (25% w/v) of DS and PK, respectively. A simple technique of recording and monitoring ethanol through CO2 generated during fermentation correlated strongly with HPLC measurement R2 = 0.99. Thus, tubers from these plants are potential feedstocks for bioethanol production with no competing uses.en_US
dc.identifier.citationMoshi, A.P., Nyandele, J.P., Ndossi, H.P., Eva, S.M. and Hosea, K.M., 2015. Feasibility of bioethanol production from tubers of Dioscorea sansibarensis and Pyrenacantha kaurabassana. Bioresource technology, 196, pp.613-620.en_US
dc.identifier.doi10.1016/j.biortech.2015.08.028
dc.identifier.urihttp://hdl.handle.net/20.500.11810/2668
dc.language.isoenen_US
dc.publisherElsevieren_US
dc.subjectDioscorea sansibarensisen_US
dc.subjectPyrenacantha kaurabassanaen_US
dc.subjectFeedstock compositionen_US
dc.subjectBioethanolen_US
dc.subjectCarbon dioxide measurementen_US
dc.titleFeasibility of Bioethanol Production from Tubers of Dioscorea Sansibarensis and Pyrenacantha Kaurabassanaen_US
dc.typeJournal Article, Peer Revieweden_US
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