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EntityQ5595443· pop 6· linked from 428 articles

Grandinin is an ellagitannin. It can be found in Melaleuca quinquenervia leaves and in oaks species like the North American white oak (Quercus alba) and European red oak (Quercus robur). It shows antioxydant activity. It is an astringent compound. It is also found in wine, red or white, aged in oak barrels.

Wikidata facts

Mass
1066.11349
Show 4 more facts
found in taxon
Q156137
canonical SMILES
C1C2C(C3C4C(C5=C(C(=C(C(=C5C(=O)O4)C6=C(C(=C(C(=C6C(=O)O3)C7=C(C(=C(C=C7C(=O)O2)O)O)O)O)O)O)O)O)O)C8(C(C(C(O8)CO)O)O)O)OC(=O)C9=CC(=C(C(=C9C2=C(C(=C(C=C2C(=O)O1)O)O)O)O)O)O
chemical formula
C₄₆H₃₄O₃₀
isomeric SMILES
C1C2C(C3C4[C@@H](C5=C(C(=C(C(=C5C(=O)O4)C6=C(C(=C(C(=C6C(=O)O3)C7=C(C(=C(C=C7C(=O)O2)O)O)O)O)O)O)O)O)O)C8([C@@H]([C@@H](C(O8)CO)O)O)O)OC(=O)C9=CC(=C(C(=C9C2=C(C(=C(C=C2C(=O)O1)O)O)O)O)O)O
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Encyclopedic overview

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Grandinin is an ellagitannin. It can be found in Melaleuca quinquenervia leaves and in oaks species like the North American white oak (Quercus alba) and European red oak (Quercus robur). It shows antioxydant activity. It is an astringent compound. It is also found in wine, red or white, aged in oak barrels.

It is a castalagin glycoside by binding of the pentose lyxose. It contains a nonahydroxytriphenic acid moiety.

Excerpted from Wikipedia’s “grandinin” article, available under the CC BY-SA 4.0 licence.

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