A7130
β-淀粉酶 来源于大麦
Type II-B, 20-80 units/mg protein (biuret)
别名:
1,4-α-D-葡聚糖麦芽糖水解酶
产品名称
β-淀粉酶 来源于大麦, Type II-B, 20-80 units/mg protein (biuret)
type
Type II-B
form
powder
specific activity
20-80 units/mg protein (biuret)
greener alternative product characteristics
Waste Prevention
Design for Energy Efficiency
Learn more about the Principles of Green Chemistry.
sustainability
Greener Alternative Product
greener alternative category
, Enabling
shipped in
wet ice
storage temp.
2-8°C
Quality Level
正在寻找类似产品? 访问 产品对比指南
Analysis Note
粗品
Application
β-淀粉酶用于水解 α-连接的多糖（例如淀粉和糖原）的 α 键。β-淀粉酶已经用于各种植物研究，例如山杨的碳饥饿研究。来自大麦的 β-淀粉酶已用于研究压力和温度是如何影响催化活性的。
Biochem/physiol Actions
β-淀粉酶水解三个或更多个 α-（1,4）连接的 D-葡萄糖单元的多糖中的 α-（1,4）葡聚糖键。淀粉和糖原等天然底物被分解成葡萄糖和麦芽糖。纯的结晶 β-淀粉酶制剂由具有不同等电点的四种同工酶组成。在不存在还原剂的情况下，酶通过巯基非常快速地聚合。对氯甲基苯甲酸酯抑制该聚合和该酶活性。还原剂巯基乙醇或二硫苏糖醇可以完全恢复该活性。
General description
我们致力于为您带来更加绿色的替代产品，这些产品遵守一项或多项绿色化学12项原则。该产品经过改进，可在用于淀粉乙醇研究时提高能效和防止浪费。有关详细信息，请参阅 《Biofiles》的文章。
Other Notes
在 pH 4.8，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。
signalword
Danger
hcodes
pcodes
Hazard Classifications
Resp. Sens. 1
存储类别
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Faceshields, Gloves
法规信息
动植物源性产品
此项目有
Purification and characterisation of crystalline -amylase from barley.
K Visuri et al.
European journal of biochemistry, 28(4), 555-565 (1972-08-04)
Volker Heinz et al.
Biotechnology progress, 21(6), 1632-1638 (2005-12-03)
The depolymerization of starch by beta-amylase during exposure to hydrostatic pressure up to 700 MPa and within a temperature range from 20 to 70 degrees C has been investigated. Inactivation of the enzyme as well as alterations in conversion speed
William R L Anderegg et al.
Plant physiology, 159(4), 1866-1874 (2012-06-06)
Drought impacts on forests, including widespread die-off, are likely to increase with future climate change, although the physiological responses of trees to lethal drought are poorly understood. In particular, in situ examinations of carbon starvation and its interactions with and
Ling-Wei Meng et al.
Food science and biotechnology, 29(4), 503-512 (2020-04-17)
The rice flours were hydrolyzed using α-amylase (A), α-amylase and xylanase (AX), and α-amylase, xylanase and β-amylase (AXB). The effects of different enzymatic rice flour hydrolysates (ERH) on the quality of the fermented rice cake (FRC) were determined at 25 °C
Ambarish Nag et al.
BMC systems biology, 5, 94-94 (2011-06-21)
Higher plants and algae are able to fix atmospheric carbon dioxide through photosynthesis and store this fixed carbon in large quantities as starch, which can be hydrolyzed into sugars serving as feedstock for fermentation to biofuels and precursors. Rational engineering
实验方案
Beta-amylase is found in bacteria, fungi, and plants. To measure β-amylase activity, this assay uses a colorimetric spectrophotometric stop reaction at 540 nm.
β-淀粉酶存在于细菌、真菌和植物中。在测定β-淀粉酶活性时，该测定使用了一种在540nm处的比色分光光度终点反应法进行测定。
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.
联系客户支持