This product has an optimum pH range of 5–9 and will maintain 98% of activity after 60 minutes at pH 6.2 at 85°C. This material is tested pH 6.9 at boiling temperature for 15 minutes. Please see the link below to review the product datasheet:
https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/product/documents/297/885/a3403pis.pdf
A3403
α-淀粉酶 来源于地衣芽孢杆菌
Type XII-A, saline solution, ≥500 units/mg protein (biuret)
别名:
Termamyl® 2X, 1,4-α-D-葡聚糖-葡萄糖水解酶
登录查看公司和协议定价
选择尺寸
500000 UNITS
$124.00
1000000 UNITS
$207.00
5000000 UNITS
$856.00
所有图片(2)
选择尺寸
变更视图
500000 UNITS
$124.00
1000000 UNITS
$207.00
5000000 UNITS
$856.00
About This Item
CAS号:
MDL编号:
UNSPSC代码:
12352204
eCl@ss:
32160410
NACRES:
NA.54
推荐产品
类型
Type XII-A
表单
saline solution
比活
≥500 units/mg protein (biuret)
分子量
57.6 kDa
环保替代产品特性
Waste Prevention
Design for Energy Efficiency
Learn more about the Principles of Green Chemistry.
sustainability
Greener Alternative Product
环保替代产品分类
储存温度
2-8°C
正在寻找类似产品? 访问 产品对比指南
一般描述
应用
α-淀粉酶可用于水解 α-连接的多糖（例如淀粉和糖原）α连接键。产品A3403来自地衣芽孢杆菌 ，并且是XII-A型。来自Sigma的α-淀粉酶已被用于各种植物研究，例如拟南芥的代谢研究 [2]。
生化/生理作用
α-淀粉酶可水解三个或更多个D-葡萄糖单元通过α-(1,4)连接的多糖中的α-(1,4)葡聚糖键。 天然底物（如淀粉和糖原）可被分解成葡萄糖和麦芽糖。
注意
据报道，其在高达~90°C的温度下仍保持热稳定。
单位定义
在pH 6.9、温度20 °C条件下，一个单位可在3分钟内从淀粉中释放出1.0 mg麦芽糖。
外形
含有氯化钠和蔗糖的水溶液
法律信息
Novozyme公司产品。
Termamyl is a registered trademark of Novozymes Corp.
警示用语：
Danger
危险声明
预防措施声明
危险分类
Resp. Sens. 1
储存分类代码
10 - Combustible liquids
WGK
WGK 2
闪点(°F)
Not applicable
闪点(°C)
Not applicable
个人防护装备
Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
其他客户在看
Hisaaki Hiraoka et al.
Animal science journal = Nihon chikusan Gakkaiho, 83(10), 690-695 (2012-10-06)
To improve the performance of the analytical method for neutral detergent fiber in feed with heat-stable α-amylase treatment (aNDFom), the process of adding heat-stable α-amylase, as well as other analytical conditions, were examined. In this new process, the starch in
Xinyi Huang et al.
Tree physiology, 40(5), 652-666 (2020-02-23)
Globally, soil salinization is becoming increasingly prevalent, due to local hydrogeologic phenomena, climate change and anthropogenic activities. This has significantly curtailed current world food production and limits future production potential. In the prairie region of North America, sulfate salts, rather
Zsofia Botyanszki et al.
Biotechnology and bioengineering, 112(10), 2016-2024 (2015-05-08)
Biocatalytic transformations generally rely on purified enzymes or whole cells to perform complex transformations that are used on industrial scale for chemical, drug, and biofuel synthesis, pesticide decontamination, and water purification. However, both of these systems have inherent disadvantages related
Michaelle Chokki et al.
Foods (Basel, Switzerland), 9(4) (2020-04-09)
Momordica charantia Linn. (Cucurbitaceae), the wild variety of bitter melon and Morinda lucida Benth (Rubiaceae) were commonly used as a popular folk medicine in Benin. This research focused to measure the antioxidant and enzyme inhibitory effects of M. charantia and
Seokmin Yoon et al.
Journal of microbiology and biotechnology, 32(1), 72-80 (2021-11-10)
In this study, the survival capacity (acid and bile salt tolerance, and adhesion to gut epithelial cells) and probiotic properties (enzyme activity-inhibition and anti-inflammatory activities, inhibition of adipogenesis, and stress hormone level reduction) of Lactiplantibacillus plantarum LRCC5314, isolated from kimchi
实验方案
可根据此操作规程测定α-淀粉酶的活性。该α-淀粉酶酶促测定将会指导您完成整个过程及必要的计算。
Follow our procedure for the determination of alpha-Amylase activity. This enzymatic assay of a-Amylase guides you through the entire process and necessary calculations.
-
What is the optimal conditions (pH and temperature) for this enzyme to degrade starch? Will it deactivate after heating to 100C?
1 answer-
Helpful?
-
-
Dear Sir or Madam Could you tell me exactly in what solution the a-amylase is provided? Unfortunately only a "saline sucrose solution" is stated. I would need the exact composition in order to prepare a negative control in my assay. kind regards
1 answer-
All that we can disclose is that this product is supplied as an aqueous solution containing sodium chloride and sucrose with >=10 mg/mL protein.
Helpful?
-
Active Filters
我们的科学家团队拥有各种研究领域经验，包括生命科学、材料科学、化学合成、色谱、分析及许多其他领域.
联系技术服务部门
