Agronomy and Horticulture, Department of
Department of Agronomy and Horticulture: Faculty Publications
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Document Type
Article
Date of this Version
1988
Abstract
The purpose of this study was to develop a simple and effective procedure for assaying large numbers of sorghum leaf samples for their potential to release cyanide. The procedure involves drying the tissue at 75 °C (this was accomplished without loss of the cyanogenic glucoside dhurrin), grinding the dry tissue, extracting with water, digesting the extract with an almond meal extract to release cyanide, and determining cyanide in the digest colorimetrically. Results obtained were comparable to those based on distillation of digested samples and potentiometric determination of cyanide in the distillates. The equipment and supplies required for the procedure are relatively inexpensive, and a skilled technician can conveniently assay 70-80 samples/day.
Comments
Published in J. Agric. Food Chem. 1988, 36, 775-778.