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I2017

Sigma-Aldrich

Inulinase from Aspergillus niger

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Synonym(s):
Fructozyme L, Inulase
CAS Number:
Enzyme Commission number:
MDL number:

storage temp.

2-8°C

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Biochem/physiol Actions

Inulinase catalyzes endohydrolysis of β−(2-1)-D-fructosidic linkages in inulin.

Legal Information

A product of Novozyme Corp.
Fructozyme is a trademark of Novozymes Corp.

Certificates of Analysis (COA)

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  1. Which document(s) contains shelf-life or expiration date information for a given product?

    If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis.

  2. How do I get lot-specific information or a Certificate of Analysis?

    The lot specific COA document can be found by entering the lot number above under the "Documents" section.

  3. The activity of Product I2017, Inulinase from Aspergillus niger, is given in INU.  What is this?

    The activity as defined by the supplier Novozyme is as follows:  1 Inulase Unit (INU) is the amount of enzyme which produces 1 micromole reducing carbohydrate per minute under the given analytical conditions using inulin as substrate.  The reducing carbohydrate is calculated as glucose.

  4. What are the temperature and pH optima for Product I2017, Inulinase from Aspergillus niger?

    The optimal pH range for I2017 is 4.0 to 5.2, and the optimal temperature range is 50 to 70 °C.

  5. What is the Novozyme Corporation?

    Novozyme is a major manufacturer of industrial and process enzymes.  Their markets are manufacturers of food products, detergents, and beverages.  Since Novozyme usually deals with large quantities of enzymes, Sigma-Aldrich has been authorized to make some of their products available to the research market.

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W J Yuan et al.
Journal of applied microbiology, 112(1), 38-44 (2011-10-12)
Developing an innovative process for ethanol fermentation from Jerusalem artichoke tubers under very high gravity (VHG) conditions. A consolidated bioprocessing (CBP) strategy that integrated inulinase production, saccharification of inulin contained in Jerusalem artichoke tubers and ethanol production from sugars released
Guang-Yuan Wang et al.
Bioresource technology, 124, 77-82 (2012-09-20)
In this study, an inulinase-producing yeast strain Pcla22 of Pichia guilliermondii was identified. It was found that the yeast strain Pcla22 could produce higher amount of oil and more lipid bodies in its cells than any other yeast strains tested
Tohru Kobayashi et al.
Applied and environmental microbiology, 78(7), 2493-2495 (2012-01-31)
An inulinase-producing Microbulbifer sp. strain, JAM-3301, was isolated from a deep-sea sediment. An inulin operon that contained three open reading frames was cloned and sequenced. Two of the three genes were expressed. One product was an endo-inulinase, and the other
Shuguang Yuan et al.
PloS one, 7(5), e37453-e37453 (2012-06-05)
Glycoside hydrolases of families 32 (GH32) and 68 (GH68) belong to clan GH-J, containing hydrolytic enzymes (sucrose/fructans as donor substrates) and fructosyltransferases (sucrose/fructans as donor and acceptor substrates). In GH32 members, some of the sugar substrates can also function as
Kunchit Judprasong et al.
Food chemistry, 238, 173-179 (2017-09-05)
This study determined nutrients, chemical contaminants, (insecticide residues and heavy metals), and natural toxic substances (nitrate, nitrite, cyanide, oxalate, phytate, and trypsin inhibitor) in tubers of Jerusalem artichokes-Kaentawan in the Thai language-grown in four major provinces in Thailand. They were

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