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重要文件

17389

Sigma-Aldrich

果胶酶 来源于黑曲霉

powder, slightly beige, >1 U/mg

同義詞:

多聚半乳糖醛酸酶

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About This Item

CAS號碼:
酶委員會編號:
EC號碼:
MDL號碼:
分類程式碼代碼:
12352204
NACRES:
NA.54
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生物源

Aspergillus niger

形狀

powder

比活性

>1 U/mg

顏色

slightly beige

儲存溫度

2-8°C

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一般說明

果胶酶,也称为粘胶质酶,主要存在于细菌、真菌和植物中。[1]多聚半乳糖醛酸酶是所有果胶分解酶中广泛存在的一种酶。[1]

應用

来自黑曲霉的果胶酶用于水解
  • 絮状活性污泥中的果胶层[2]
  • 在脱胶工艺中用作竹粉[3]
  • 西洋菜(独行菜)种子以提高外种皮渗透性、使用四唑染色溶液实现观察[4]

生化/生理作用

植物中发现的果胶酶在成熟和贮藏过程中有助于某些植物组织的细胞壁伸展和软化。多聚半乳是糖醛酸酶通过加水催化聚半乳糖醛酸链的水解。 [1] [1]果胶酶在果汁提取及其植物纤维净化、棉花洗涤、脱胶和废水处理等工业领域有着广泛的应用。[2]此外,还可应用于植物油提取、茶和咖啡发酵、纸张漂白、家禽饲料添加剂、酒精饲料及食品工业等。[1]

單位定義

1 U相当于在pH 4.0和50℃下每分钟由多聚半乳糖醛酸释放1 & # 956;mol半乳糖醛酸的酶量。

象形圖

Health hazard

訊號詞

Danger

危險聲明

危險分類

Resp. Sens. 1

儲存類別代碼

11 - Combustible Solids

水污染物質分類(WGK)

WGK 3

閃點(°F)

Not applicable

閃點(°C)

Not applicable

個人防護裝備

Eyeshields, Gloves, type N95 (US)


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Questions

  1. Pectinase from Aspergillus powder reference 17389 Hi, can you suggest a publication with data of enzyme activity as a function of pH and temperature? Thank you in advance for your help.

    1 answer
    1. Specific articles on pH and temperature range citing this product are not currently available. Please see the link below to review a publication that may be helpful:

      https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4564381/#:~:text=The%20partially%20purified%20pectinase%20from,thermostable%20and%20alkaline%20in%20nature.

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