Flavono-ellagitannin
Encyclopedia
The Flavono-ellagitannins or complex tannins are a class of tannin
s formed from the complexation of an ellagitannin
with a flavonoid. Flavono-ellagitannins can be found in Quercus mongolica var. grosseserrata.
Tannin
A tannin is an astringent, bitter plant polyphenolic compound that binds to and precipitates proteins and various other organic compounds including amino acids and alkaloids.The term tannin refers to the use of...
s formed from the complexation of 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...
with a flavonoid. Flavono-ellagitannins can be found in Quercus mongolica var. grosseserrata.
Examples
- Acutissimin AAcutissimin AAcutissimin A is a flavono-ellagitannin, a type of tannin formed from the linking of a flavonoid with an ellagitannin.In 2003, scientists at Institut Européen de Chimie et Biologie in Pessac, France found that when the oak tannin vescalagin interacts with phenols in wine acutissimin A is created...
- Acutissimin B
- Epicutissimin AEpicutissimin AEpicutissimin A is a flavono-ellagitannin, a type of tannin....
- Mongolicain
- Mongolicin A
- Mongolicin B