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A2771

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
UNSPSC Code:
12352204
EC Number:
232-565-6
MDL number:
MFCD00081319
EC Number:
3.2.1.1 (BRENDA, IUBMB)
eCl@ss:
32160410
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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

Other Notes

One unit will liberate 1.0 mg of maltose from starch in 3 min at pH 6.9 at 20 °C.
View more information on enzymes for complex carbohydrate analysis at www.sigma-aldrich.com/enzymeexplorer

pictograms

Health hazard
GHS08

signalword

Danger

hcodes

H334

Hazard Classifications

Resp. Sens. 1

Storage Class

13 - Non Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Faceshields, Gloves

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

A2771-1MU: + A2771-500KU: + A2771-VAR: + A2771-100KU:

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Certificates of Analysis (COA)

Lot/Batch Number
124K0602
108F0631
095H0239
090K1248
083H0698

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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
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
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
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