Punicacortein D

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Punicacortein D
Punicacortein D.png
Identifiers
3D model (JSmol)
ChemSpider
Properties
C48H28O30
Molar mass 1084.68 g/mol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Punicacortein D is an ellagitannin, a type of phenolic compound. It is found in the bark [1] and heartwood [2] of Punica granatum (pomegranate). The molecule contains a gallagic acid component.

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Punicalagin is an ellagitannin, a type of phenolic compound. It is found in forms alpha and beta in pomegranates, in Terminalia catappa and Terminalia myriocarpa, and in Combretum molle, the velvet bushwillow, a plant species found in South Africa. These three genera are all Myrtales and the last two are both Combretaceae.

1-<i>alpha</i>-<i>O</i>-Galloylpunicalagin

1-α-O-Galloylpunicalagin is an ester of gallic acid and punicalagin, a type of ellagitannin. It is found in the pomegranate and in Combretum glutinosum.

Castalagin

Castalagin is an ellagitannin, a type of hydrolyzable tannin, found in oak and chestnut wood and in the stem barks of Anogeissus leiocarpus and Terminalia avicennoides.

Corilagin

Corilagin is an ellagitannin. Corilagin was first isolated in 1951 from Dividivi extract and from Caesalpinia coriaria, hence the name of the molecule. It can also be found in Alchornea glandulosa and in the leaves of Punica granatum (pomegranate).

Gallagic acid

Gallagic acid is a polyphenolic chemical compound that can be found in the ellagitannins, a type of tannin, found in Punica granatum (pomegranate). It is a building block of the corresponding tannin punicalagin, punicalin, punicacortein C and 2-O-galloyl-punicalin.

1,2,3,4,6-Pentagalloyl glucose

1,2,3,4,6-Pentagalloylglucose is the pentagallic acid ester of glucose. It is a gallotannin and the precursor of ellagitannins.

Punigluconin

Punigluconin is an ellagitannin, a polyphenol compound. It is found in the bark of Punica granatum (pomegranate) and in Emblica officinalis. It is a molecule having a hexahydroxydiphenic acid group and two gallic acids attached to a gluconic acid core.

Punicacortein A

Punicacortein A is an ellagitannin, a polyphenol compound. It is found in the bark of Punica granatum (pomegranate) and in Osbeckia chinensis.

Punicalin

Punicalin is an ellagitannin. It can be found in Punica granatum (pomegranate) or in the leaves of Terminalia catappa, a plant used to treat dermatitis and hepatitis. It is also reported in Combretum glutinosum, all three species being Myrtales, the two last being Combretaceae.

Punicacortein C

Punicacortein C is an ellagitannin, a phenolic compound. It is found in the bark of Punica granatum (pomegranate). The molecule contains a gallagic acid component.

Punicacortein B

Punicacortein B is an ellagitannin, a polyphenol compound. It is found in the bark of Punica granatum (pomegranate).

Punicafolin

Punicafolin is an ellagitannin from the leaves of Punica granatum (pomegranate) and in Phyllanthus emblica.

Granatin A

Granatin A is an ellagitannin found in the pericarp of Punica granatum (pomegranate). It is a weak carbonic anhydrase inhibitor.

Granatin B

Granatin B is an ellagitannin found in the fruit of Punica granatum (pomegranate). It is a molecule having an enantiomeric dehydrohexahydroxydiphenoyl group.

Pomegranate ellagitannin Ellagitannins found in the pomegranate fruit

The pomegranate ellagitannins, which include punicalagin isomers, are ellagitannins found in the sarcotestas, rind (peel), bark or heartwood of pomegranates.

<i>Combretum molle</i>

Combretum molle, the velvet bushwillow, is a plant species in the genus Combretum found in West-, East- and South Africa.

Casuarinin

Casuarinin is an ellagitannin. It is found in the pericarp of pomegranates. It is also found in Casuarina and Stachyurus species and in Alnus sieboldiana.

Pedunculagin

Pedunculagin is an ellagitannin. It is formed from casuarictin via the loss of a gallate group.

Urolithin A Chemical compound

Urolithin A is a metabolite compound resulting from the transformation of ellagitannins by the gut bacteria. It belongs to the class of organic compounds known as benzo-coumarins or dibenzo-α-pyrones. Its precursors – ellagic acids and ellagitannins – are ubiquitous in nature, including edible plants, such as pomegranates, strawberries, raspberries, and walnuts. Since the 2000s, urolithin A has been subject of preliminary studies regarding its possible biological effects.

References

  1. ↑ Tannins and Related Compounds. XLI. : Isolation and Characterization of Novel Ellagitannins, Punicacorteins A, B, C, and D, and Punigluconin from the Bark of Punica granatum L. Tanaka Takashi, Nonaka Gen-Ichiro and Nishioka Itsuo, Chemical & Pharmaceutical Bulletin, 1986-02-25, 34(2), pages 656-663 (abstract)
  2. ↑ Two ellagitannins from Punica granatum heartwood. Sayed A.A El-Toumy and Hans W Rauwald, Phytochemistry, Volume 61, Issue 8, December 2002, Pages 971–974, doi : 10.1016/S0031-9422(02)00435-1


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