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Description References
alpha-Amylase structure
Chemical Name:
Molecular Formula:
Formula Weight:
MOL File:
Mol file

alpha-Amylase Properties

Melting point:
66-73 °C
storage temp. 
H2O: soluble0.1mg/mL, clear, colorless
EPA Substance Registry System
Amylase, .alpha.- (9000-90-2)
  • Risk and Safety Statements
Signal word  Danger
Hazard statements  H334
Precautionary statements  P261-P342+P311-P284-P304+P340+P342+P311-P501
Hazard Codes  Xn,B
Risk Statements  42
Safety Statements  36-36/37-24-22-45-2-23
WGK Germany  3
RTECS  BU7432500
HS Code  35079090

alpha-Amylase price More Price(35)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich A4582 α-Amylase from Bacillus licheniformis suitable for determination of starch (Kit STA-20) 9000-90-2 0.5 mL $14.5 2021-03-22 Buy
Sigma-Aldrich A3403 α-Amylase from Bacillus licheniformis Type XII-A, saline solution, ≥500?units/mg protein (biuret) 9000-90-2 500000 units $67.7 2021-03-22 Buy
Sigma-Aldrich A4551 α-Amylase from Bacillus licheniformis lyophilized powder, 500-1,500?units/mg protein, 93-100% (SDS-PAGE) 9000-90-2 100 mg $73.9 2021-03-22 Buy
Sigma-Aldrich 10069 α-Amylase from Bacillus subtilis powder, yellow-brown, ~380 U/mg 9000-90-2 250mg $97.1 2021-03-22 Buy
Sigma-Aldrich A4862 α-Amylase from Bacillus sp. liquid 9000-90-2 50 mL $103 2021-03-22 Buy

alpha-Amylase Chemical Properties,Uses,Production


Alpha-amylase is a kind of enzyme being able to hydrolyzes alpha bonds of large alpha-linked polysaccharides including starch and glycogen. It is a very small, stable enzyme which is resistant to many unfavorable conditions. It can hydrolyzes starch and glycogen to maltose and glucose, respectively so that providing energy for human beings and animals. Alpha-amylase is present in almost all kinds of plants, animals and microbes. It has many industrial applications. For example, it can be used in the production of ethanol through breaking starches in grains into fermentable sugars. It can also be used during the production of high-fructose corn syrup. In addition, it can be used in some dishwashing and starch-removing detergents.



α-Amylase has been used in various plant studies, such as metabolism studies in Arabidopsis . 1 α-Amylase from human pancreas has been used to test interference for enzymatic methods of assaying calcium in serum and urine. 2 α-Amylase, from Sigma, has been used to get a standard calibration curve during the evaluation of an automated amylase detection system using forensic samples.


α-Amylase is to hydrolyze α bonds of α-linked polysaccharides, such as starch and glycogen. Product A1031 is from human saliva, is type IIA, and is supplied as a lyophilized powder. α-Amylase has been used in various plant studies, such as metabolism studies in Arabidopsis 1 . α-Amylase from human saliva has been used to study the development of nutraceuticals, which may aid the treatment of diabetes and obesity.

brand name

Fortizyme (Sterling Winthrop).

Biotechnological Production

a-Amylases (4-a-D-glucan glucanohydrolase, EC degrade starch and similar carbohydrates by endohydrolysis of their (1→4)-a-D-glucosidic bonds. The majority of a-amylases belong to the group of metalloenzymes and require calcium ions (Ca2+). By means of direct evolution, the performance of several amylases was further maximized and adapted to the needs of the starch processing industry. The enhancement of the thermostability of amylase was achieved by DNA-shuffling techniques. The baking industry and consumers might benefit from genetically optimized starch-modifying enzymes. Based on the improved thermal stability of an a-amylase in the acidic pH range, the retrogradation of sourdough breads ("staling") can be delayed.

alpha-Amylase Preparation Products And Raw materials

Raw materials

Preparation Products

alpha-Amylase Suppliers

Global( 264)Suppliers
Supplier Tel Fax Email Country ProdList Advantage
Tianjin Zhongxin Chemtech Co., Ltd.
022-66880086 CHINA 537 58
Creative Enzymes
1-631-938-8127 United States 8748 58
Dideu Industries Group Limited
029-88380327 CHINA 29991 58
Hangzhou FandaChem Co.,Ltd.
+86-571-56059825 CHINA 8882 55
career henan chemical co
+86-371-86658258 CHINA 29959 58
Hebei Guanlang Biotechnology Co., Ltd.
+8619930503282 China 5478 58
hdzhl biotechnology co., ltd
86-13032617415 CHINA 1275 58
Hubei xin bonus chemical co. LTD
027-59338440 CHINA 23035 58
Shanghai Longyu Biotechnology Co., Ltd.
+8615821988213 CHINA 2462 58
Chongqing Chemdad Co., Ltd
+86-13650506873 CHINA 37282 58

View Lastest Price from alpha-Amylase manufacturers

Image Release date Product Price Min. Order Purity Supply Ability Manufacturer
2021-10-16 alpha-Amylase
US $10.00 / KG 1KG 99% 20 tons Hebei Zhanyao Biotechnology Co. Ltd
2021-09-19 alpha-Amylase
US $1.10 / g 1g 99.9% 100 Tons min Dideu Industries Group Limited
2021-07-13 alpha-Amylase
US $15.00-10.00 / KG 1KG 99%+ HPLC Monthly supply of 1 ton Zhuozhou Wenxi import and Export Co., Ltd

alpha-Amylase Spectrum

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