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A7595 Sigma

α-Amylase from Bacillus amyloliquefaciens Green Alternative

liquid, ≥250 units/g

Synonym: 1,4-α-D-Glucan Glucano-hydrolase, BAN 240L



Biochem/physiol Actions

An endoamylase that randomly hydrolyzes α-(1→4)-glycosidic linkages in amylose and amylopectin. The breakdown products are oligosaccharides and dextrins of varying chain length. This enzyme is active at high temperatures (70−90 °C).

α-Amylase is an endoamylase that randomly hydrolyzes the α-(1,4) glucan linkages in amylose and amylopectin. The breakdown products are oligosaccharides and dextrins of varying chain length. This enzyme works best at high temperatures, in the range of 70-90 ° Celcius.

The pH range for the α-amylase of B.amyloliquefaciens is 5.5 to 6.5, with a single maximum at 5.9. The activity is rapidly inactivated below pH 5.0.

General description

Sigma Life Science is committed to bringing you Greener Alternative Products, which adhere to one or more of The 12 Principles of Greener Chemistry. This product has been enhanced for waste prevention when used in starch ethanol research. For more information see the article in biofiles.

Legal Information

A product of Novozyme Corp.

BAN is a trademark of Novozymes Corp.

Unit Definition

One unit is the amount of enzyme which dextrinizes 5.26 g of dry starch per hour under standard conditions.


α-Amylase is used to hydrolyze α bonds of α-linked polysaccharides, such as starch and glycogen. Product A7595 is from Bacillus amyloliquefaciens and is supplied as a liquid. α-Amylase has been used in various plant studies, such as metabolism studies in Arabidopsis. α-Amylase from Bacillus amyloliquefaciens has been used to hydrolyze sweetpotato amylopectin to identify cluster structure. The enzyme has been used to hydrolyze sago palm starch to reducing sugars, which are then used for ethanol fermentation by Saccharomyces cerevisiae FNCC 3012. The enzyme catalyzes amylolysis of gelatinised waxy maize starch to produce reducing sugars.

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Biomedical Applications
Safety & Documentation

Safety Information

GHS08  GHS08
Signal word 
Hazard statements 
Precautionary statements 
NONH for all modes of transport
WGK Germany 
Protocols & Articles


Enzymatic Assay of α-Amylase (EC

The spectrophotometric stop reaction determination (A540, Light path = 1 cm) is based on the following reaction:

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