Onozuka R-10

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Size(s): 10g

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Onozuka R-10 

CAS 9012-54-8

Onozuka R-10 is  multi-component cellulase enzyme system from Trichoderma viride used to degrade plant cell walls and isolate protoplasts. It is often used in combination with Macerozyme R-10. This preparation has a high cellulase activity, contains hemicellulases, and it degrades mannans, xylans, galactomannans, pectins and other polysaccharides.


  • Activity 1ku/g
  • Temperature optimum: 40 - 50 °C
  • pH-optimum: pH 4 - 5


Unit definition: 1 U catalyzes the liberation of 1 µmole glucose from sodium carboxymethyl cellulose per minute at 40 °C, pH 4.5; glucose determined with alkaline copper reagent.


Extraneous activities: α-amylase ca. 0.8 U, pectinase ca. 0.4 U, protease ca. 0.01 DMC-U, hemicellulase ca. 1 U/mg (1 U catalyzes the liberation of 1 µmole reducing groups from xylan per hour at 37 °C, pH 5.5, calculated as xylose).


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