Enzymatically assisted liming process

The invention relates to a process for the production of pelts ready for tanning, from hides and skins, using proteolytic and lipolytic enzymes in the beam house, wherein in at least one of the part-steps in the beam house consisting of a) the lime in the pH range 11.5 - 14 and the b) bate in the pH...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	WICK, GERTRUD, TAEGER, TILMAN, CHRISTNER, JUERGEN
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	APPARATUS THEREFOR BEER BIOCHEMISTRY CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING,IMPREGNATING, FINISHING CHEMISTRY COMPOSITIONS FOR TANNING ENZYMOLOGY HIDES LEATHER METALLURGY MICROBIOLOGY MUTATION OR GENETIC ENGINEERING PELTS SKINS SPIRITS VINEGAR WINE
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Beschreibung
Zusammenfassung:	The invention relates to a process for the production of pelts ready for tanning, from hides and skins, using proteolytic and lipolytic enzymes in the beam house, wherein in at least one of the part-steps in the beam house consisting of a) the lime in the pH range 11.5 - 14 and the b) bate in the pH range 5 - 11.5 in the aqueous liquors corresponding to these part-steps, alkaline lipases (E.C.3.1.3.) with an activity optimum in the pH range 9 - 11 are employed.