Definition of triterpenoid in US English:


adjective & noun

  • See triterpene

    • ‘White, red, and tree peony contain glycosides (most notably paeoniflorin), flavonoids, proanthocyanidins, tannins, terpenoids, triterpenoids, and complex polysaccharides that may all contribute to its medicinal effects.’
    • ‘Indeed, triterpenoid saponins with an acyl side chain have been shown to increase membrane permeability of endothelial cells, whereas those lacking the side chain did not.’
    • ‘Relative portions of total aliphatics and cyclic triterpenoids in the wax of intact fruits and of enzymatically isolated cuticles.’
    • ‘Structurally, avicins are part of a greater family of molecules called triterpenoid saponins.’
    • ‘The resins produced by these glands have been shown to consist of a mixture of phenolics and steroidal triterpenoids; they act as important deterrents against mammalian herbivores, especially hares.’