Ethanol and High-Value Terpene Co-Production from Lignocellulosic Biomass of Cymbopogon flexuosus and Cymbopogon martinii Public Deposited

http://ir.library.oregonstate.edu/concern/articles/7s75df12s

Supporting information available online at:  http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0139195#sec017

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  • Cymbopogon flexuosus, lemongrass, and C. martinii, palmarosa, are perennial grasses grown to produce essential oils for the fragrance industry. The objectives of this study were (1) to evaluate biomass and oil yields as a function of nitrogen and sulfur fertilization, and (2) to characterize their utility for lignocellulosic ethanol compared to Panicum virgatum (switchgrass). Mean biomass yields were 12.83 Mg lemongrass ha⁻¹ and 15.11 Mg palmarosa ha⁻¹ during the second harvest year resulting in theoretical biofuel yields of 2541 and 2569 L ethanol ha⁻¹ respectively compared to reported 1749–3691 L ethanol ha⁻¹ for switchgrass. Pretreated lemongrass yielded 198 mL ethanol (g biomass)⁻¹ and pretreated palmarosa yielded 170 mL ethanol (g biomass)⁻¹. Additionally, lemongrass yielded 85.7 kg essential oil ha⁻¹ and palmarosa yielded 67.0 kg ha⁻¹ with an estimated value of USD $857 and $1005 ha⁻¹. These data suggest that dual-use crops such as lemongrass and palmarosa may increase the economic viability of lignocellulosic biofuels.
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  • Joyce, B. L., Zheljazkov, V. D., Sykes, R., Cantrell, C. L., Hamilton, C., Mann, D. G., ... & Stewart Jr, C. N. (2015). Ethanol and high-value terpene co-production from lignocellulosic biomass of Cymbopogon flexuosus and Cymbopogon martinii. PLoS ONE, 10(10), e0139195. doi:10.1371/journal.pone.0139195
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  • description.provenance : Made available in DSpace on 2015-11-12T16:44:30Z (GMT). No. of bitstreams: 2 license_rdf: 1089 bytes, checksum: 0a703d871bf062c5fdc7850b1496693b (MD5) ZheljazkovValtchoColumbiaBasinAgricResStaEthanolHighValue.pdf: 2937296 bytes, checksum: f1c529146852964153e62e31a2e1eae6 (MD5) Previous issue date: 2015-10-05
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  • description.provenance : Submitted by Patricia Black (patricia.black@oregonstate.edu) on 2015-11-12T16:44:17Z No. of bitstreams: 2 license_rdf: 1089 bytes, checksum: 0a703d871bf062c5fdc7850b1496693b (MD5) ZheljazkovValtchoColumbiaBasinAgricResStaEthanolHighValue.pdf: 2937296 bytes, checksum: f1c529146852964153e62e31a2e1eae6 (MD5)

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