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Microbial biodiesel production from oil palm biomass hydrolysate using marine Rhodococcus sp. YHY01

descriptionPublicationkeyboard_double_arrow_right Article , Journal 01 Jun 2017Publisher:Elsevier BVJournal:Bioresource Technology, volume 233, pages 99-109 (issn: 0960-8524,

Authors: Hun-Seok Song;

Yun-Gon Kim;

Shashi Kant Bhatia; Jong-Min Jeon; Kyungmoon Park; Jun-Young Kim; Yung-Hun Yang; +3 Authors

doi: 10.1016/j.biortech.2017.02.061

pmid: 28260667

Microbial biodiesel production from oil palm biomass hydrolysate using marine Rhodococcus sp. YHY01

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Abstract

The effect of various biomass derived inhibitors (i.e. furfural, hydroxymethylfurfural (HMF), vanillin, 4-hydroxy benzaldehyde (4-HB) and acetate) was investigated for fatty acid accumulation in Rhodococcus sp. YHY 01. Rhodococcus sp. YHY01 was able to utilize acetate, vanillin, and 4-HB for biomass production and fatty acid accumulation. The IC50 value for furfural (3.1mM), HMF (3.2mM), vanillin (2.0mM), 4-HB (2.7mM) and acetate (3.7mM) was calculated. HMF and vanillin affect fatty acid composition and increase saturated fatty acid content. Rhodococcus sp. YHY 01 cultured with empty fruit bunch hydrolysate (EFBH) as the main carbon source resulted in enhanced biomass (20%) and fatty acid productivity (37%), in compression to glucose as a carbon source. Overall, this study showed the beneficial effects of inhibitory molecules on growth and fatty acid production, and support the idea of biomass hydrolysate utilization for biodiesel production by avoiding complex efforts to remove inhibitory compounds.

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Keywords

Biofuels, Fatty Acids, Rhodococcus, Biomass, Carbon

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