EP 1015498 A1 20000705 - FRACTIONATION OF HEMICELLULOSIC MATERIALS
Title (en)
FRACTIONATION OF HEMICELLULOSIC MATERIALS
Title (de)
FRAKTIONIERUNG VON HEMIZELLULOSEMATERIALIEN
Title (fr)
FRACTIONNEMENT DE MATERIAUX HEMICELLULOSIQUES
Publication
Application
Priority
- GB 9718518 A 19970901
- US 9817728 W 19980827
Abstract (en)
[origin: WO9911672A1] Disclosed is a process that uses selective enzymes from microbial or plant sources to facilitate the extraction of hemicellulose. Selective removal of acetate using acetyl xylan esterase (E.C.3.1.1.6) under conditions that will not hydrolyse the feruoylate esters. This treatment renders the arabinoxylan ferulate soluble under mild aqueous conditions without the use of harsh alkalis. Arabinoxylan ferulate is extracted intact and subsequently the level of ferulic acid can be controlled to give the degree of crosslinking required by treatment of the soluble arabinoxylan ferulate with ferulic acid esterase.
IPC 1-7
C08B 37/14; C08B 37/06; C08L 5/14; C08B 30/04; D21C 1/00; C08H 1/00; C08H 5/00; C08H 5/02; C07G 1/00; C07K 1/00; C07G 17/00
IPC 8 full level
C08B 30/04 (2006.01); C08B 37/00 (2006.01); C08H 1/00 (2006.01); C08H 5/00 (2006.01); C08H 5/02 (2006.01); C08H 99/00 (2010.01); C08L 5/14 (2006.01); C12P 19/04 (2006.01)
CPC (source: EP)
C08B 30/04 (2013.01); C08B 37/0024 (2013.01); C08B 37/0045 (2013.01); C08B 37/0057 (2013.01); C08H 1/00 (2013.01); C08H 6/00 (2013.01); C08H 99/00 (2013.01); C08L 5/14 (2013.01); C12P 19/04 (2013.01)
Citation (search report)
See references of WO 9911672A1
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
WO 9911672 A1 19990311; AU 9122398 A 19990322; CN 1268955 A 20001004; EP 1015498 A1 20000705; GB 9718518 D0 19971105; ZA 987913 B 20000229
DOCDB simple family (application)
US 9817728 W 19980827; AU 9122398 A 19980827; CN 98808692 A 19980827; EP 98943418 A 19980827; GB 9718518 A 19970901; ZA 987913 A 19980831