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.
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