Propelargonidin
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Propelargonidins are a type of condensed tannins formed from epiafzelechin. They yield pelargonidin when depolymerized under oxidative conditions.
Propelargonidins can be found in the rhizomes of the fern Drynaria fortunei,[1] in buckwheat (Fagopyrum esculentum),[2] and in the edible halophyte Carpobrotus edulis.[3][4]
Examples
- Geranins A and B, dimers found in Geranium niveum
- Selligueain A, a trimer found in the rhizome of Selliguea feei
- the trimeric propelargonidin epiafzelechin-(4β→8)-epiafzelechin-(4β→8)-4′-O-methyl-(−)-epigallocatechin can be isolated from the stem bark of Heisteria pallida.[5]
References
- ^ Proliferative effects of flavan-3-ols and propelargonidins from rhizomes of Drynaria fortunei on MCF-7 and osteoblastic cells. Eun Ju Chang, Won Jung Lee, Sung Hee Cho and Sang Won Choi, Archives of Pharmacal Research, August 2003, Volume 26, Issue 8, pages 620–630, doi:10.1007/BF02976711
- ^ Identification of galloylated propelargonidins and procyanidins in buckwheat grain and quantification of rutin and flavanols from homostylous hybrids originating from F. esculentum × F. homotropicum. Carolin Ölschläger, Ionela Regos, Friedrich J. Zeller and Dieter Treutter, doi:10.1016/j.phytochem.2008.01.001
- ^ LC/ESI-MS/MS characterisation of procyanidins and propelargonidins responsible for the strong antioxidant activity of the edible halophyte Mesembryanthemum edule L. Hanen Falleh, Samia Oueslati, Sylvain Guyot, Alia Ben Dali, Christian Magné, Chedly Abdelly and Riadh Ksouri, doi:10.1016/j.foodchem.2011.02.049
- ^ PubChem. "Propelargonidin". pubchem.ncbi.nlm.nih.gov. Retrieved 2023-06-26.
- ^ A trimeric propelargonidin from stem bark of Heisteria pallida. Verena Dirsch, András Neszmélyia and Hildebert Wagner, Phytochemistry, 3 August 1993, Volume 34, Issue 1, Pages 291–293, doi:10.1016/S0031-9422(00)90822-7
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