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A2771

Sigma-Aldrich

α-Amylase from barley malt

greener alternative

Type VIII-A, powder

Synonym(s):

1,4-α-D-Glucan-glucanohydrolase

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About This Item

CAS Number:
9000-90-2
Enzyme Commission number:
3.2.1.1 (BRENDA, IUBMB)
EC Number:
232-565-6
MDL number:
MFCD00081319
UNSPSC Code:
12352204

type

Type VIII-A

form

powder

α-amylase activity

≥1 unit/mg solid

β-amylase activity

≥1 unit/mg solid

contains

lactose as extender

greener alternative product characteristics

Waste Prevention: Greener alternative product characteristics
Learn more about the Principles of Green Chemistry.

greener alternative category

Enabling

storage temp.

2-8°C

General description

We are 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.

Packaging

Package size based on α-amylase activity

Unit Definition

One unit will liberate 1.0 mg of maltose from starch in 3 min at pH 6.9 at 20 °C.

Other Notes

View more information on enzymes for complex carbohydrate analysis at www.sigma-aldrich.com/enzymeexplorer

substrate

Product No.
Description
Pricing

Pictograms

Health hazard
GHS08

Signal Word

Danger

Hazard Statements

H334

Precautionary Statements

P261 - P342 + P311

Hazard Classifications

Resp. Sens. 1

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Sigma-Aldrich

G5003

α-Glucosidase from Saccharomyces cerevisiae

Roseata Zonouzi et al.
Journal of microbiology and biotechnology, 23(1), 7-14 (2013-01-15)
In the Bacillus amyloliquefaciens α-amylase (BAA), the loop (residues 176-185; region I) that is the part of the calcium-binding site (CaI, II) has two more amino acid residues than the α-amylase from Bacillus licheniformis (BLA). Arg176 in this region makes
Aristidis Arhakis et al.
Pediatric dentistry, 34(7), e225-e230 (2012-12-26)
Psychosomatic indicators, such as heart rate (HR), salivary alpha amylase (sAA) activity, and behavior, can be used to determine stress. This study's aim was to assess the pattern of changes of salivary alpha amylase, heart rate, and cooperative behavior in
Patricia Vázquez-Villegas et al.
Journal of separation science, 36(2), 391-399 (2012-12-21)
The present work describes the application of a novel continuous aqueous two-phase system prototype for the recovery of biomolecules. The prototype is an alternative platform for protein recovery and α-amylase from soybean extracts was used as a model system. The
N F Furlan et al.
The Journal of clinical pediatric dentistry, 37(1), 83-87 (2013-01-25)
Anxiety and stress are usually related to the dental treatment situation. The objective was to investigate salivary cortisol and alpha-amylase levels (salivary biomarkers) and heart rate in children undergoing a minor dental procedure (dental prophylaxis). In total, 31 children (range
Frederick J Warren et al.
Biochimica et biophysica acta, 1830(4), 3095-3101 (2013-01-09)
Starch is a main source of carbohydrate in human diets, but differences are observed in postprandial glycaemia following ingestion of different foods containing identical starch contents. Such differences reflect variations in rates at which different starches are digested in the
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