U.S. Patent No.5,936,139
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Pants [sic] are transformed with a bacterial cyclopropane fatty acid synthase gene to produce lipids containing cyclopropane fatty acids. Using this technology dihydrosterculate is produced in oilseed crops such as rape.
This is an electronic version of a patent application. It is in the public domain.
Schmid, Katherine M., "Cyclopropane Fatty Acid Expression in Plants" U.S. Patent No.5,936,139 / (1999): -.
Available at http://digitalcommons.butler.edu/facsch_papers/833