Secondary Metabolites
Tragopogon porrifolius bibenzyl derivatives and dihydroisocoumarin. Additionally, Tragopogon porrifolius yielded the first example of a naturally occurring dimeric dihydroisocoumarin. This compound named tragoponol features a twelve membered dilactone ring. Moreover, Tragopogon porrifolius yielded caffeic acid derivatives, a simple coumarin glycoside, and various C-glycosyl flavonoids.
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“Words are always getting conventionalized to some secondary meaning. It is one of the works of poetry to take the truants in custody and bring them back to their right senses.”
—William Butler Yeats (1865–1939)