Catalpic acid is a conjugated polyunsaturated fatty acid. The melting point of this fatty acid is 32 °C. Catalpic acid occurs naturally in the seeds of

yellow catalpa ''Catalpa ovata'', the yellow catalpa or Chinese catalpa (), is a pod-bearing tree native to China. Compared to ''C. speciosa'', it is much smaller, typically reaching heights between . The inflorescences form bunches of creamy white flowers wi ...

(''Catalpa ovata'') and

southern catalpa ''Catalpa bignonioides'' is a species of ''Catalpa'' that is native to the southeastern United States in Alabama, Florida, Georgia, Louisiana, and Mississippi. Common names include southern catalpa, cigartree, and Indian-bean-tree (or Indian bean ...

(''Catalpa bignonioides''). Seeds of ''Catalpa'' species contain about 40% catalpic acid.Gunstone, F.D. et al. (2007). The Lipid Handbook with CD-ROM, Boca Raton: CRC Press.

References

{{DEFAULTSORT:Catalpic Acid Fatty acids Alkenoic acids Polyenes