Proguibourtinidin

A Proguibourtinidin is a type of condensed tannins formed from guibourtinidol (leucoguibourtinidin). They yield guibourtinidin when depolymerized under oxidative conditions.

They can be found in Guibourtia coleosperma (the African rosewood)[1] or in Cassia abbreviata.[2]

References

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