Djenkolic Acid
Djenkolic acid (or sometimes jengkolic acid) is a sulfur-containing non-protein amino acid naturally found in the djenkol beans of the Southeast Asian plant '' Archidendron jiringa''. Its chemical structure is similar to cystine but contains a methylene (single carbon) unit in between the two sulfur atoms. There is about 20 grams of djenkolic acid per kilogram of dry djenkol beans, and it has also been reported in smaller amounts in the seeds of other leguminous plants such as ''Leucaena esculenta'' (2.2 g/kg) and '' Pithecolobium ondulatum'' (2.8 g/kg).D'Mello, J. P. Felix (1991). Toxic Amino Acids. In J. P. F. D'Mello, C. M. Duffus, J. H. Duffus (Eds.) Toxic Substances in Crop Plants'. Woodhead Publishing. pp. 21–48. . Google Book Search. Retrieved on November 15, 2008. Toxicity The toxicity of djenkolic acid in humans arises from its poor solubility under acidic conditions after consumption of the djenkol bean. The amino acid precipitates into crystals which cause mechanical ir ...
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