Acid Protease

Protease catalyzes peptide bond and hydrolyzes protein into peptone, hydrazone, polypeptide and amino acid. Activity center of acid protease includes aspartic acid. Priority cut open peptide bond of aromatics or hydrophobic amino acids and produce small peptide and amino acid.

Specification of Acid Protease

Name Acid protease Product Series Name NutriGen Acid protease

Activity 50000-100000 U/g

Strain Aspergillus niger EC code 3.4.99.11

Form Powder,Liquid Carrier Starch

Color Brown Loss on drying Max 10%

Working pH 2.0-4.0 Optimum pH 2.5

Working T 30?-65? Optimum T 55?

Particle size 80% pass 40 mesh

Package 20kg /bag

Storage Stored 6 months under 25?

Caution Avoid direct sunlight and high temperature





Functions of Acid Protease

1. Supplement the deficiency of endogenous protease for animal.

2. Increase protein digestibility in animal feed and reduce the dosage of protein in feed formula.

3. Decrease the difference of feedstuff from different area and stabilize production performance.

4. Protect the environment by decreasing pollution from nitrogen.



Definition of Activity Acid Protease

One unit U of protease activity is defined as the amount of enzyme which liberates 1 ?g tyrosine per minute from substrate casein at 40? and pH 3.0 under the conditions of the test.



Dosage of Acid Protease

Recommended dosage is 50-100g/t with 50000U/g in complete feed.



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