Grandinin
Encyclopedia
Grandinin is an ellagitannin
. It can be found in Melaleuca quinquenervia
leaves and in oak
s. It shows antioxydant activity. It is a castalagin
glycoside by binding of the pentose lyxose
.
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...
. It can be found in Melaleuca quinquenervia
Melaleuca quinquenervia
Melaleuca quinquenervia, commonly known as Niaouli or Broad-leaved paperbark or the Paper Bark Tea Tree, is a small- to medium-sized tree of the allspice family, Myrtaceae. The plant is native to New Caledonia, Papua New Guinea and coastal Eastern Australia, from Botany Bay in New South Wales...
leaves and in oak
Oak
An oak is a tree or shrub in the genus Quercus , of which about 600 species exist. "Oak" may also appear in the names of species in related genera, notably Lithocarpus...
s. It shows antioxydant activity. It is a 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....
glycoside by binding of the pentose lyxose
Lyxose
Lyxose is an aldopentose — a monosaccharide containing five carbon atoms, and including an aldehyde functional group. It has chemical formula 5105.Lyxose occurs only rarely in nature, for example, as a component of bacterial glycolipids.- See also :...
.