Enzyme-Mediated Conversion of Glucolimnanthin to Bioherbicidal Breakdown Products Public Deposited

http://ir.library.oregonstate.edu/concern/undergraduate_thesis_or_projects/47429c09m

June 2012

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  • Abstract The oilseed crop Limnanthes alba (white meadowfoam) is grown in Oregon. Methods were developed for the production of a liquid-based bioherbicide from meadowfoam seed meal (MSM). It was determined that glucosinolate-containing extracts of MSM can be combined with active-enzyme-containing liquid extracts of meadowfoam seed to form a fermented product rich in bio-active glucosinolate breakdown products (GBPs). It was discovered that the relative amounts of glucosinolate breakdown products formed were dependent upon the extraction solvent for MSM, the extraction solvent for seed, and the fermentation matrix. Aqueous extraction and fermentation led to formation of products rich in the isothiocyanate (ITC) product, while addition of the organic solvent ethanol to these matrices caused a relative increase in the breakdown of glucosinolate to the nitrile product. List of Abbreviations ACN: acetonitrile EtOH: ethanol GBPs: glucosinolate breakdown products GLN: glucolimnanthin ITC: 3-methoxybenzyl isothiocyanate MeOH: methanol MSM: meadowfoam seed meal Nitrile: 3-methoxyphenylacetonitrile TFA: trifluoroacetic acid
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  • description.provenance : Submitted by Wanda Crannell (crannelw@hort.oregonstate.edu) on 2012-06-19T01:07:35Z No. of bitstreams: 1 Bratton BRR Final Thesis.pdf: 574904 bytes, checksum: 28ea07f072a5bb4806a7870a1a8f2620 (MD5)
  • description.provenance : Made available in DSpace on 2012-06-19T01:07:35Z (GMT). No. of bitstreams: 1 Bratton BRR Final Thesis.pdf: 574904 bytes, checksum: 28ea07f072a5bb4806a7870a1a8f2620 (MD5)

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