JCE Software Chemistry Comes Alive!
Decomposition of Hydrogen Peroxide by Catalase

Catalase from a slice of potato decomposes hydrogen peroxide into water and oxygen.

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1.2 MB, 17 seconds

File: MOVIES/KJBIOCHEM/SPUDBUBL.MOV

Voiceover
When a slice of potato is placed into a solution of hydrogen peroxide, bubbles of oxygen form on the potato surface and rises to the top of the solution. Potatoes contain catalase, an enzyme that breaks down hydrogen peroxide into water and oxygen.


Design, Text, and Demonstration:  
  Kristin Johnson University of Wisconsin - Madison, Madison, WI 53706
Video production, editing, and voice:  
  Jerrold J. Jacobsen University of Wisconsin - Madison, Madison, WI 53706
  Greg Minix University of Wisconsin - Madison, College of Engineering, Madison, WI 53706
  Michael Killips University of Wisconsin - Madison, School of Nursing, Madison, WI 53706