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Glucoamylase: High activity glucoamylase for digesting oligosaccharides.
Applications: include: Biofuels, Brewing, Starch Saccharification, Fruit Juice Processing, Dairy.
Properties: Food-grade glucoamylase is an enzyme that catalyses the hydrolysis of α-1,4 and, to a lesser extent, α-1,6 glycosidic bonds in starch, converting it into glucose. Its key benefits include high efficiency in producing fermentable sugars, improved sweetness, and enhanced digestibility of starch-containing foods. In the food and beverage industry, glucoamylase is widely used for starch saccharification in the production of glucose syrups, high-fructose syrups, and brewing, where it increases fermentable sugar availability for yeast. It also improves the texture, shelf-life, and clarity of fruit juices and purees by reducing viscosity. Additionally, glucoamylase plays a role in producing digestible starch-based ingredients for confectionery, baking, and dairy applications. Its specificity and high activity make glucoamylase a versatile enzyme for enhancing efficiency, quality, and functionality in a variety of starch-based processes.
Reaction:
Oligosaccharides + H2O → Glucose
- Activity: 300,000 U/g *
- Certification: Food grade, ISO 22000
- Temperature Range: 15–60°C
- pH Range: 3.5–8.0
* where 1 Unit is defined as the amount of enzyme to release 1 μmol glucose from oligosaccharides per minute
Application guides

Supporting technical guides
Oat Milk & Plant-Based Beverages
Glucoamylase for Oat Milk: Controlled Sweetness and Saccharification
Control glucose formation and sweetness in oat milk with glucoamylase. Explore dosing, process timing and troubleshooting, then shop the enzyme.
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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
What Does Pullulanase Do in Starch Saccharification?
Learn when pullulanase can help starch conversion, how debranching complements amylases, and what to measure before adding it to a process.
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Enzyme science · Deep dive
Glucoamylase: structure, mechanism and industrial uses
Conversion of liquefied starch into glucose supports fermentation feedstocks, glucose syrups and alcohol production.
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