Grain sorghum is a viable feedstock for ethanol production.

Journal of Industrial Microbiology & Biotechnology
Donghai WangRenyong Zhao

Abstract

Sorghum is a major cereal crop in the USA. However, sorghum has been underutilized as a renewable feedstock for bioenergy. The goal of this research was to improve the bioconversion efficiency for biofuels and biobased products from processed sorghum. The main focus was to understand the relationship among "genetics-structure-function-conversion" and the key factors impacting ethanol production, as well as to develop an energy life cycle analysis model (ELCAM) to quantify and prioritize the saving potential from factors identified in this research. Genetic lines with extremely high and low ethanol fermentation efficiency and some specific attributes that may be manipulated to improve the bioconversion rate of sorghum were identified. In general, ethanol yield increased as starch content increased. However, no linear relationship between starch content and fermentation efficiency was found. Key factors affecting the ethanol fermentation efficiency of sorghum include protein digestibility, level of extractable proteins, protein and starch interaction, mash viscosity, amount of phenolic compounds, ratio of amylose to amylopectin, and formation of amylose-lipid complexes in the mash. A platform ELCAM with a base case showed a posit...Continue Reading

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Citations

Jun 26, 2013·Genome Génome / Conseil National De Recherches Canada·Yuangen LuWenming Wang
Mar 5, 2014·Journal of the Science of Food and Agriculture·Shih-Fang ChenPatrick J Brown
Apr 10, 2013·Bioresource Technology·Mario Daniel FerrariClaudia Lareo
Dec 29, 2016·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Richard E BoylesStephen Kresovich
Oct 17, 2013·SpringerPlus·Claudia LareoJorge Martínez-Garreiro
Nov 19, 2013·Journal of Animal Science·O Adeola, C Kong
Aug 28, 2016·Journal of Industrial Microbiology & Biotechnology·Meltem Yesilcimen Akbas, Benjamin C Stark
May 25, 2011·Journal of Agricultural and Food Chemistry·Yongfeng AiJay-Lin Jane

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