11. Horrobin's efforts focused on evening primrose oil, which contains gamma-linolenic acid. 12. The USFDA granted generally recognized as safe ( GRAS ) status for high alpha linolenic flaxseed oil. 13. A precursor of jasmolone could be alpha-linolenic acid with a 12-oxophytodienoic acid intermediate. 14. The fatty acids, linoleic and linolenic acid, are found in seeds, nuts and leafy plants. 15. Multiple studies have shown a relationship between ?-linolenic acid and an increased risk of prostate cancer. 16. Perilla oil is a very rich source of the omega-3 fatty acid alpha-linolenic acid. 17. Kiwifruit seed oil contains on average 62 % alpha-linolenic acid, an omega-3 fatty acid. 18. Although there are ?-and ?-forms of linolenic acid, there is no ?-form. 19. The high-proportion of oxidation-prone linolenic acid is undesirable for some uses, such as cooking oils. 20. Three companies, Monsanto Company, DuPont / Bunge, and Asoyia in 2004 introduced low linolenic Roundup Ready soybeans.