Seed ground from color sorted seeds. Non-GMO Project verified. nongmoproject.org. Non-GMO. Non-Eto (ETO (ethylene oxide) is a sterilization chemical commonly used in the spice industry, but never by Frontier Co-op.). Non-irradiated. frontiercoop.com. Learn more at: frontiercoop.com. We're a member-owned Co-op responsible to people and planet. You can feel good about the superior flavor of frontier co-op seasonings. We look to growers who share our commitment to quality, sustainability and ethical trade.