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Merck

M9171

Sigma-Aldrich

D -(+)-麦芽糖 一水合物

≥99% (HPLC), BioXtra

别名:

4-O-α-D-吡喃葡糖基-D-葡萄糖, 麦芽糖

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About This Item

经验公式(希尔记法):
C12H22O11 · H2O
CAS号:
分子量:
360.31
Beilstein:
93798
EC號碼:
MDL號碼:
分類程式碼代碼:
12352201
PubChem物質ID:
NACRES:
NA.21

生物源

potato (tuber)

品質等級

產品線

BioXtra

化驗

≥99% (HPLC)

形狀

powder

技術

HPLC: suitable

雜質

≤0.0005% Phosphorus (P)
≤0.1% Insoluble matter
≤0.3% glucose
≤1.0% maltotriose

燃燒殘留物

≤0.1%

顏色

white

有用的pH值範圍

5.0-7 (25 °C, 180 g/L)

mp

125.13 °C (1013.25 hPa)

溶解度

H2O: 1 M, clear, colorless

負離子痕跡

chloride (Cl-): ≤0.003%
sulfate (SO42-): ≤0.005%

正離子痕跡

Al: ≤0.0005%
Ca: ≤0.0005%
Cu: ≤0.0005%
Fe: ≤0.0005%
K: ≤0.005%
Mg: ≤0.0005%
NH4+: ≤0.05%
Na: ≤0.005%
Pb: ≤0.001%
Zn: ≤0.0005%

SMILES 字串

O.OC[C@@H](O)[C@@H](O[C@H]1O[C@H](CO)[C@@H](O)[C@H](O)[C@H]1O)[C@H](O)[C@@H](O)C=O

InChI

1S/C12H22O11.H2O/c13-1-4(16)7(18)11(5(17)2-14)23-12-10(21)9(20)8(19)6(3-15)22-12;/h1,4-12,14-21H,2-3H2;1H2/t4-,5+,6+,7+,8+,9-,10+,11+,12+;/m0./s1

InChI 密鑰

HBDJFVFTHLOSDW-DNDLZOGFSA-N

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應用

D-(+)-麦芽糖一水合物已被
  • 用作检测碳水化合物酶活性的底物
  • ;用作酵母菌氮源 (YNB) 培养基中的碳水化合物补充剂,用于培养真菌—冈氏白念珠菌
  • ;用于冈氏白念珠菌麦芽糖酶的底物活性及麦氏常数 (Km)

的测定;用作参比标准品,使用气相色谱-飞行时间质谱法 (GC-TOFMS) 研究质谱。

生化/生理作用

麦芽糖是一种含有两个葡萄糖分子的二糖,具有 α (1→4) 糖苷键。 麦芽糖可以通过淀粉酶的作用从食物中的淀粉中得到。麦芽糖存在于许多食品中,包括啤酒、谷物和意大利面。

其他說明

为了全面了解我们针对客户研究提供的各种二糖产品,建议您访问我们的碳水化合物分类页面。

儲存類別代碼

13 - Non Combustible Solids

水污染物質分類(WGK)

WGK 1

個人防護裝備

Eyeshields, Gloves, type N95 (US)


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实验方案

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.

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。

Chromatograms

application for HPLC

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