Active Ingredient History

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Denatonium, usually available as denatonium benzoate (trade names Bitrex) is the most bitter chemical compound known, with bitterness thresholds of 0.05 ppm for the benzoate and 0.01 ppm for the saccharide. Scientists at Macfarlan Smith, Ltd. of Edinburgh, Scotland discovered Bitrex during research on derivatives of the anesthetic lidocaine. The extremely bitter taste proved effective in reducing ingestion by humans and animals. Denatonium is commonly included in placebo medications used in clinical trials to match the bitter taste of certain medications. Denatonium activates bitter taste receptor, mainly, TAS2R4, TAS2R8, TAS2R10, TAS2R13 on many cell types and plays important roles in chemical release, ciliary beating and smooth muscle relaxation through intracellular Ca(2+)-dependent pathways.   NCATS

  • SMILES: CC[N+](CC)(CC(=O)NC1=C(C)C=CC=C1C)CC2=CC=CC=C2
  • InChIKey: ZFQMTVNLDNXRNQ-UHFFFAOYSA-O
  • Mol. Mass: 325.4678
  • ALogP: Missing data
  • ChEMBL Molecules: Missing data
More Chemistry
bitrex | denatonium benzoate

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