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alpha-Amylase (medium temp) High activity amylase for digesting starch at medium temperatures.
Applications: Agriculture, Starch Processing, Food Processing, Brewing, Baking, Biofuels.
Properties: Our amylase is a medium temperature α-amylase produced by submerged fermentation of Bacillus subtilis. The enzyme is an endo-amylase, hydrolysing 1,4-α-glycosidic linkages in amylase & amylopectin at random, producing dextrins of different chain lengths & oligosaccharides. This results in a rapid decrease in the viscosity of starch solutions.
Reaction:
Starch + H2O → dextrins, maltotriose and maltose
- Activity: Activity minimum 2,300 FAU/g.
- Appearance: Brown liquid
- Bulk density: 1.2–1.25 g/mL
- Certification: Food grade, ISO 22000
- Temperature range: 15–65°C
- Denaturation temperature: 75°C
- pH range: 3.5–8.0
- Storge: 12 months (see PDF for details)
Application guides

Supporting technical guides
Oat Milk & Plant-Based Beverages
Alpha-Amylase for Oat Milk: Liquefaction and Viscosity Control
Use alpha-amylase for oat-milk liquefaction and viscosity control. Compare enzyme grades, plan trials and shop food-grade enzymes for your process.
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Beverage Development
Choosing Enzymes for New Drinks: Feedstocks and Timing
Choose enzymes for oat, rice, pulse, nut, fruit and coffee drinks. Match feedstocks, processing stages and trial targets, then shop suitable enzymes.
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Starch and fermentation
Alpha-Amylase vs Beta-Amylase vs Glucoamylase: Which Do I Need?
Compare alpha-amylase, beta-amylase and glucoamylase for starch liquefaction, maltose and glucose production. Choose enzymes for your process.
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Starch and fermentation
Medium- vs High-Temperature Alpha-Amylase: Choosing a Grade
Choose an alpha-amylase grade for your heating profile. Compare listed ranges, starch preparation, activity units and a practical selection trial.
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Enzyme science · Deep dive
Alpha-amylase: structure, mechanism and industrial uses
Rapid internal chain cleavage makes starch slurries easier to pump and prepares them for brewing, glucose production, cereal drinks and removal of starch-based stains.
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