Inhibitors in Sorghum biomass during growth and processing into fuel |
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Institution: | 1. Xanthella, Oban, Argyll, United Kingdom;2. AlgaePARC, Bioprocess Engineering, Wageningen University and Research Centre, The Netherlands |
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Abstract: | The presence and inhibitory activity of phenolic compounds in sorghum biomass were determined. Sorghum contains phenolic compounds at all stages of growth, with higher levels in leaves and glumes compared to stalks and caryopses. The phenolic compounds inhibited alpha- and gluco-amylase activity. Storage of sorghum resulted in increased levels of some phenolic acids. Levels of free phenolic compounds in ensiled sorghum leachate were sufficient to inhibit the hydrolysis of carbohydrates. The phenolic compounds from sorghum appeared to be detoxified during anaerobic digestion. |
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