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I. Brief Introduction:

Catalase is made of Aspergilus niger in the Fermentation and extraction method, is widely used in textile industry, beer, Enzymatic sodium Gluconate, pulping and papermaking, food and dairy making and other industries which need removing hydrogen peroxide.

II. Definition of Activity:

The amount of Catalase needed to break down 1μmol of hydrogen peroxide in one minute under at 30°C and pH7.0 is defined as one activity unit and marked with u/ml.

III. Characteristics:

1. Effective Temperature: 20-60 °C    Optimum Temperature: 40-55 °C

2. Effective pH: 5.0-9.5                       Optimum pH: 6.0-8.0

IV. Mechanism:

Catalase can decompose Hydrogen Peroxide (H2O2) into Oxygen (O2) and Water (H2O) by catalyzing the transfer of a pair of Electrons.

V. Specification:


Brown liquid

Enzyme Activity

50000 u/ml, 200000 u/ml

Volume Weight(Liquid Type)

≤1.25 g/ml


XYZJ 03.5-2010

VI. Usage and Reference Dosage:

(The following dosage is an example of 50000 u/ml, other specification can be converted according to the enzyme activity)

1. In textile Industry: Xiangyu Catalase can remove the residual hydrogen peroxide on the fabric after bleaching. It can save water and energy and shorten the process time with excellent biodegradability and environment-friendly advantages.

Recommend dosage is 0.3-5 ml/L and keeping for 10-30min at 40-55 °C and pH 6.0-8.0.

2. In food and fresh milk industry: Xiangyu Catalase can remove the residual hydrogen peroxide.

Recommend dosage is 50-150 ml/Ton of fresh material and keeping for 10-30min at 30-45°C without adjusting the pH.

3. In beer storage and Sodium Gluconate Industry: In beer storage, the recommend dosage is 20-100ml/Ton of beer. In Sodium Gluconate Industry, the recommend dosage is 2000-6000 ml/Ton of dry material, the concentration is 30-35% and keeping for 30 hours at 30-55°C and pH 5.5.

4. In pulping and papermaking Industry: Xiangyu Catalase can remove residual hydrogen peroxide on the paper pulp after bleaching.

Recommended Dosage is 100-300 ml/Ton of dry pulp and keeping for 30min at 40-60°C without adjusting the pH.

VII. Storage:

Should be stored in a cool, dry and well-ventilated place; protect from direct sunlight, heat and dampness; avoid storing with poisonous and harmful substances. 

VIII. Packaging:

25kg/drum, 30 kg/drum or as clients’ requirements

IX. Shelf Life:

Enzyme activity remains ≥ 90% after 6 months at room temperature 25°C.

X. Technical Support and Service:

Xingtai Sinobest Biotech Co., Ltd. will provide technical support service in the whole process. Our professional technicians will guarantee every client to use this product under proper guide.

XI. Precautions:

Enzyme preparations belong to protein, which may induce sensitization and cause allergic type reactions in sensitized individuals. Prolonged contact may cause minor irritation for skin, eyes or mucous membrane of nose, so any direct contiguity with human body should be avoided. If irritation or allergic response for skin or eyes develops, please consult a doctor.


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