Leucofisetinidin is a

flavan-3,4-diol Leucoanthocyanidin (flavan-3,4-diols) are colorless chemical compounds related to anthocyanidins and anthocyanins. Leucoanthocyanins can be found in ''Anadenanthera peregrina'' and in several species of ''Nepenthes'' including '' N. burbidgeae ...

(leucoanthocyanidin), a type of natural phenolic substance. It is the monomer of

condensed tannin Condensed tannins (proanthocyanidins, polyflavonoid tannins, catechol-type tannins, pyrocatecollic type tannins, non-hydrolyzable tannins or flavolans) are polymers formed by the condensation of flavans. They do not contain sugar residues. They ...

s called

profisetinidin A profisetinidin is a type of condensed tannins formed from leuco-fisetinidin, the leucoanthocyanidin form of fisetinidin. ''Mimosa'' and quebracho tannins are, according to a comparative 13C NMR study of polyflavonoids, found to be predominantly p ...

s. Those tannins can be extracted from the heartwood of ''

Acacia mearnsii ''Acacia mearnsii'', commonly known as black wattle, late black wattle or green wattle, is a species of flowering plant in the family Fabaceae and is Endemism, endemic to south-eastern Australia. It is usually an erect tree with smooth bark, Glo ...

'' or from the heartwoods of ''

Schinopsis balansae ''Schinopsis balansae'' is a hardwood tree known as willow-leaf red quebracho which forms forests in the subtropical Humid Chaco ecoregion of north-eastern Argentina, and Paraguay. It is also found in the wild Pantanal vegetation in Brazil. Some ...

'', ''

Schinopsis quebrachocolorado Quebracho is a common name in Spanish to describe very hard (density 0.9–1.3) wood tree species. The etymology of the name derived from ''quiebrahacha'', or ''quebrar hacha'', meaning "axe-breaker". The corresponding English-language term for ...

'' and from commercial quebracho extract.

References

Leucoanthocyanidins {{aromatic-stub

See also

References