OAK WOOD Chemische Eigenschaften,Einsatz,Produktion Methoden
Chemische Eigenschaften
Quercus robur is a majestic tree up to 35 m (115 ft) high, commonly growing in the mountain woods of central and
Eastern Europe and the Middle East. The tree has deep roots, crooked branches, alternate leaves, monoic flowers, and pedunculate
nuts. The trunk is covered by a corky bark. The part used is the wood. Oak English has a bitter, tonic, astringent taste.
Composition
Extractable tannins were analyzed from Q. robur. The tannins mainly included various glucose gallic and ellagic acid
esters. The structures were partially determined and they included grandinin/roburin E, castalagin/vescalagin, gallic acid, valoneic
acid bilactone, monogalloyl glucose, digalloyl glucose, trigalloyl glucose, ellagic acid rhamnose, quercitrin and ellagic acid.
OAK WOOD Upstream-Materialien And Downstream Produkte
Upstream-Materialien
Downstream Produkte
