Leucoanthocyanidin

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, N. muluensis, N. rajah, N. tentaculata, and N. × alisaputrana.

Leucoanthocyanidin
Names
IUPAC name
2-phenyl-3,4-dihydro-2H-chromene-3,4-diol
Other names
Flavan-3,4-diol
Identifiers
3D model (JSmol)
Properties
C15H14O3
Molar mass 242.26 g/mol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

Such compounds include:

Leucoanthocyanidins have been demonstrated to be intermediates in anthocyanidin biosynthesis in flowers of Matthiola incana.[2]

Bate-smith recommended in 1954 the use of the Forestal solvent for the isolation of leuco-anthocyanins.[3]

Metabolism

Leucoanthocyanidin dioxygenase uses flavan-3,4-diols to produce 3-hydroxyanthocyanidins.[4] The gene encoding the enzyme (PpLDOX) has been identified in peach[5] and expression has been studied in Vitis vinifera.[6]

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References

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