Non-irradiated. 1/8 teaspoon = 1 clove. Non-ETO (ETO (ethylene oxide) is a sterilization chemical commonly used in the spice industry, but never by Frontier Co-op). 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. Learn more at frontiercoop.com.