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A novel synthesis of iminodiacetic acid: biocatalysis by whole Alcaligenes faecalis ZJB-09133 cells from iminodiacetonitrile. | LitMetric
Iminodiacetic acid (IDA) has been widely used as an important intermediate in the fine chemical industry. In this study, a novel synthesis route of IDA from iminodiacetonitrile by whole microorganisms was investigated. A strain with the capability of producing nitrilase, ZJB-09133, was isolated and identified, and later named Alcaligenes faecalis ZJB-09133. In addition, the detailed biocatalysis of iminodiacetonitrile to produce IDA using ZJB-09133 was investigated. The results showed that the conversion reached 65.3% in Na(2)HPO(4)-NaH(2)PO(4) buffer of pH 8.0 under the following conditions: cells in the amount of 0.075-g DCW/L, 1.5% substrate, conversion time of 8 h, and a reaction temperature of 35°C. To the best of our knowledge, this is the first time that the production of IDA using a biocatalysis method has been reported.
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