The Striga germination factor. 2. Chromatographic purification of crude concentrates

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Abstract
Paper chromatographic examinations demonstrated that the stimulant properties of crude prepns. of the Striga germination factor may be due to a complex of substances. Using a n-butanol-acetic acid-water mixture as solvent, the most active component of the complex is located immediately behind the solvent front and is not a simple sugar or an amino acid. Chromatography on columns of cellulose was applied to the purification of larger quantities of the concentrates to yield resinous products with high biological activity.
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