390 8.4) - Glucuronoxylan GX) -(1,4) (Acetylation 3.5-7 4- - - (1,2) - Glucomannan GM) -5) -(1,4) 1/2 1/1 ( ) ( ) ( ) ( ) 8.4 Xylp = - Glcp - Galp - Manp - Fucp - 4- -