A2771
α-Amylase from barley malt
Type VIII-A, powder
Synonym(s):
1,4-α-D-Glucan-glucanohydrolase
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
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
Signal Word
Danger
Hazard Statements
Precautionary Statements
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
Regulatory Information
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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
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
Emrah Cakmakci et al.
Journal of microbiology and biotechnology, 23(2), 205-210 (2013-02-16)
Thiol-ene polymerization is a versatile tool for several applications. Here we report the preparation of epoxide groups containing thiol-ene photocurable polymeric support and the covalent immobilization of alpha-amylase onto these polymeric materials. The morphology of the polymeric support was characterized
Daniela Schoofs et al.
Behavioural brain research, 241, 144-153 (2012-12-15)
Stress has been shown to influence working memory. However, sex differences and the potential impact of stimulus emotionality have not received much attention. In a first experiment the effects of stress on a neutral working memory (WM) paradigm were tested
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