High-activity Acid Protease for efficient protein breakdown under acidic conditions. Supports improved protein digestibility, enhanced flavor development in fermented seasonings, and better process performance in brewing and leather bating. Works best within recommended pH and temperature ranges. Activity 50,000–100,000 U/g. Optimal pH 2.0–5.0 and 30°C–50°C. Light yellow to brown powder. MOQ 25 kg. Ships worldwide.
Acid Protease Enzyme Powder
50,000 – 100,000 U/g
Acid Protease hydrolyzes proteins into peptides and amino acids and is designed for reliable activity within its recommended acidic pH and temperature ranges across food and industrial applications.
Boosts ethanol yield in baijiu, whisky, and fuel ethanol production by breaking down grain proteins during fermentation.
Improves wort clarity, reduces haze, and enhances protein utilization in beer production.
Increases protein digestibility in feed formulations, improving FCR and reducing feed costs.
Produces bioactive peptides and amino acids from plant and animal proteins for food and pharma.
Accelerates protein breakdown in fermented condiment production, improving flavor development.
Enzymatic bating and dehairing at acidic pH ranges, replacing harsh chemicals.
| Enzyme Name | Acid Protease (EC 3.4.23.18) |
| Activity | 50,000 – 100,000 U/g |
| Optimal pH | 2.0 – 5.0 |
| Optimal Temperature | 30°C – 50°C |
| Appearance | Light yellow to brown powder |
| Source | Aspergillus niger |
| Shelf Life | 12 months (sealed, cool, dry place) |
| Packaging | 25 kg fiber drums / custom packaging |
| MOQ | 25 kg |
| Certifications | ISO 9001, HALAL, KOSHER, Food Grade |
No middlemen. We supply Acid Protease directly from our manufacturing network to help you secure competitive pricing at any volume.
Optimized for reliable protein breakdown under acidic conditions within pH 2.0–5.0 and 30°C–50°C to support stable process outcomes.
ISO 9001, HALAL, KOSHER, and Food Grade options available. We provide COA/TDS and support qualified inquiries.
Available as light yellow to brown powder with 25 kg fiber drums / custom packaging. MOQ 25 kg for smooth procurement and stable production planning.
Acid Protease is used for 🍶 Alcohol & Spirits, 🍺 Brewing, 🐄 Animal Feed, 🧪 Protein Hydrolysis, 🫘 Soy Sauce & Seasonings, and 🧴 Leather Processing.
For best performance, use Acid Protease at optimal pH 2.0–5.0 and optimal temperature 30°C–50°C.
The activity range indicates the enzyme’s measured units per gram. Higher activity typically enables faster protein hydrolysis at the same dosage; final dosing should be confirmed by your application trials.
By hydrolyzing proteins under acidic conditions, Acid Protease can improve protein utilization and reduce haze, supporting clearer wort and more consistent beer processing.
Acid Protease has a 12-month shelf life when sealed and stored in a cool, dry place. Avoid moisture exposure and follow your COA/TDS storage guidance.
Tell us about your application and volume needs. We'll send you a free sample, COA, and competitive pricing within 24 hours.