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 Enzyme
One unit (U) of protease activity is defined as the amount of enzyme which
liberates 1 μg 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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