A2771
α-Amylase from barley malt
Type VIII-A, powder
Synonym(s):
1,4-α-D-Glucan-glucanohydrolase
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About This Item
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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
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
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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Gang-hua Lang et al.
Bioscience, biotechnology, and biochemistry, 77(1), 126-131 (2013-01-08)
The influence of different extraction solutions on the proteins extracted from rice grains was investigated. The largest amounts of salt-soluble proteins were extracted with solutions supplemented with Tris-HCl at pH 8.0. Rice allergens were analyzed by multiplex immunodetection. Except for
T O Femi-Ola et al.
Journal of insect science (Online), 12, 84-84 (2013-02-21)
Reports have shown that many insects have microbes in their gut system. Gut microbes are very important for insect vitality and much of their nutrition is derived from products of microbial metabolism. The habitat of Balanogastris kolae (Desbrocher des Loges)
Curtis H Weiss et al.
Critical care medicine, 41(3), 765-773 (2013-01-15)
Aspiration of oropharyngeal or gastric contents into the respiratory tract leads to a spectrum of disorders with high morbidity. Aspiration is a diagnostic dilemma, because clinical characteristics and diagnostic tests are not effective predicting or confirming aspiration. We sought to
Judith E Allgrove et al.
Journal of rehabilitation research and development, 49(6), 925-933 (2013-01-10)
This study examined the effect of a 1 h, self-paced handcycling time trial on blood leukocytes, mucosal immunity, and markers of stress in paraplegic athletes. Nine male paraplegic athletes (spinal injury level thoracic 4-lumbar 2) performed 1 h of handcycling
Jean-Luc Da Lage et al.
BMC evolutionary biology, 13, 40-40 (2013-02-15)
Increasing genome data show that introns, a hallmark of eukaryotes, already existed at a high density in the last common ancestor of extant eukaryotes. However, intron content is highly variable among species. The tempo of intron gains and losses has
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