Casuarictin
Encyclopedia
Casuarictin is an ellagitannin
Ellagitannin
The ellagitannins are a diverse class of hydrolyzable tannins, a type of polyphenol formed primarily from the oxidative linkage of galloyl groups in 1,2,3,4,6-Pentagalloyl glucose...

, a type of hydrolysable tannin. It can be found in Casuarina
Casuarina
Casuarina is a genus of 17 species in the family Casuarinaceae, native to Australasia, southeast Asia, and islands of the western Pacific Ocean. It was once treated as the sole genus in the family, but has been split into three genera .They are evergreen shrubs and trees growing to 35 m tall...

and Stachyurus
Stachyurus
Stachyurus is a flowering plant genus in the family StachyuraceaeCasuarictin, a type of tannin, is found in the species within the genus.-Species list:* S. chinensis* S. cordatulus* S. himalaicus* S. obovatus* S. praecox...

species.

The molecule is formed from tellimagrandin II
Tellimagrandin II
Tellimagrandin II is the first of the ellagitannins formed from 1,2,3,4,6-pentagalloyl-glucose. It can be found in Geum japonicum and Syzygium aromaticum . The compound shows anti-herpesvirus properties....

, itself formed from pentagalloyl glucose via oxidation. Casuarictin is transformed into pedunculagin via loss of a gallate group, and further into castalagin
Castalagin
Castalagin is a ellagitannin, a type of hydrolyzable tannin, found in oak and chestnut wood and in the stem barks of Anogeissus leiocarpus and Terminalia avicennoides....

via glucose pyranose ring opening.
The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
x
OK