Baikiain is an organic compound with the molecular formula . Chemically, it is classified as a tetrahydropyridine substituted with a carboxylic acid. Because it contains both this carboxylic acid and an adjacent amine group, it is also an alpha-amino acid. Baikiain is one of the two enantiomers of the chiral compound 4,5-didehydropipecolic acid.
Sources Baikiain has been found in diverse natural sources including dates, African teak (Baikiaea plurijuga) wood, and the red algae Serraticardia maxima.
Several laboratory syntheses of baikiain and its racemic form have been reported.
Effects Baikiain is hypothesized to be the causative agent of illnesses resulting from consumption of food products containing tara flour. In several cases documented in 2022 people became ill after consuming meals containing tara flour with high concentrations of Baikian (3% dry weight). People experienced acute gastrointestinal and liver disease with clinical signs of hepatotoxicity. Baikiain was found not to harm mammalian or human cells in culture but did cause liver injury and depletion of glutathione in rodent models.
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