Our xylanase is a product derived from the submerged fermentation of a high xylanase producing strain for the paper and pulp industry and is particularly suited to the elevated temperatures and alkaline pH of kraft pulps.

WORKING MECHANISM
The major enzymes responsible for the hydrolysis of xylan are xylanase (endo 1,4-α-D-xylanohydrolase, EC 3.2.1.8) and α-xylosidase (1,4-β-D-xylohydrolase, EC 3.2.1.37). Xylanase (1,4- D-xylan xylanhydrolase) catalyzes the random hydrolysis of 1,4- α-D-xylosidic linkages  within the xylan structure thereby releasing xylo-oligosaccharides and xylobioses. β-xylosidase hydrolyzes xylobiose and small xylooligosaccharides to xylose (5 carbon sugar).

PROPERTIES
It is effective over the pH range 6 to 10 and temperature
range 35 to 60 degrees.

It is a light yellow powder with a density of 1.1 g/mL. It is readily
miscible with water.

SPECIFICATION
It is available in liquid preparation as:

xylanase LQ 85 (with  enzyme activity of 85,000 U/mL)
xylanase LQ 17 (with  enzyme activity of 17,000 U/mL)

Unit definition: The amount of enzyme needed to produce 1 ug xylose from xylan in one minute at specified conditions. The xylanase units are determined on birchwood soluble xylan at pH 6 and 50 degrees over a 20 minute period.

APPLICATION GUIDE
It can be added to pulp after cooking or oxygen delignification and prior to bleaching for the improvement of pulp bleachability. Almost every mill has unique conditions of fibre furnish, pulping technology and bleach sequence. The optimal dosage can also depend on the temperature, pH and consistency of the pulp.

For the paper making industry, it is added based on the instructions of the technicians.

PACKAGING
25 kg/plastic drum.

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