WARF: P120381US01

  • PVP application in process.

W6234-4Rus: A Light Russet Potato with French Fry Potential


Jiwan Palta, Felix Navarro, Bryan Bowen, Jiming Jiang, Horia Groza

The Wisconsin Alumni Research Foundation (WARF) is seeking commercial partners interested in a russet potato variety with improved French fry characteristics and lower acrylamide levels.
OVERVIEWRusset Burbank, at present the most widely grown russet potato for French fry production in the U.S., is susceptible to cold-induced sweetening (i.e., longer cold storage times result in a darker color in the fried products). Furthermore, there is pressure to reduce acrylamide levels in processed potatoes. California has placed acrylamide on its list of compounds known to cause cancer.
THE INVENTIONUW–Madison researchers have developed W6234-4Rus, a new russet potato variety with characteristics desirable for French fry processing, including much lower acrylamide content, good shape, higher tuber yield and better fry color compared to the industry standard.

The new variety is available through the Wisconsin Crop Improvement Association.
  • Russet potato production for the French fry processing market
  • Improved yield and fry color
  • Meets industry’s goal of reduced acrylamide levels
STAGE OF DEVELOPMENTSix years of field testing have been completed. In a U.S. Potato Board-funded trial, French fries made from the new variety contained less acrylamide (218 ppb) compared to Russet Burbank (862 ppb).
For More Information About the Inventors
Contact Information
For current licensing status, please contact Emily Bauer at or 608-960-9842.
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Since its founding in 1925 as the patenting and licensing organization for the University of Wisconsin-Madison, WARF has been working with business and industry to transform university research into products that benefit society. WARF intellectual property managers and licensing staff members are leaders in the field of university-based technology transfer. They are familiar with the intricacies of patenting, have worked with researchers in relevant disciplines, understand industries and markets, and have negotiated innovative licensing strategies to meet the individual needs of business clients.