Significant Variation for Bio-oil Compounds After Pyrolysis/Gas Chromatography–Mass Spectrometry of Cobs and Stover Among Five Near-Isogenic Brown Midrib Hybrids in Maize

Date
2014-06-01
Authors
Nettleton, Dan
Brown, Robert
Lamkey, Kendall
Jeffrey, Brandon
Nettleton, Dan
Kuzhiyil, Najeeb
Rover, Marjorie
Brown, Robert
Lubberstedt, Thomas
Lamkey, Kendall
Lubberstedt, Thomas
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Mechanical Engineering
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Agronomy
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Statistics
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Mechanical EngineeringAgronomyStatisticsBioeconomy Institute (BEI)
Abstract

We analyzed five near-isogenic brown-midrib hybrids in maize via pyrolysis/gas chromatography-mass spectrometry (Py/GC-MS) in order to determine how differing lignin composition and structure impacts individual bio-oil compounds. Twenty six compounds were analyzed for differences among the five hybrids and between cob and stover materials. We found statistically significant differences for 9 compounds, when comparing the five hybrids, and 17 significant differences when comparing maize cobs with stover. Our data indicate that it may be possible to predict phenolic compounds within bio-oil based on cell wall lignin composition. The genetic variation observed in this study suggests that bio-oil quality can be improved by plant breeding.

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This is a post-peer-review, pre-copyedit version of an article published in BioEnergy Research. The final authenticated version is available online at: http://dx.doi.org/10.1007/s12155-013-9395-3. Posted with permission.

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