Eastman Tenox 20 Food Grade Antioxidant, Kosher Eastman Tenox 20 food-grade antioxidants stabilize various fats, oils, food, and cosmetics against oxidative deterioration, thus extending product shelf life. Eastman Tenox 20A Food Grade Antioxidant, Kosher Eastman Tenox 20A food-grade antioxidants stabilize various fats, oils, food, and cosmetics against oxidative deterioration, thus extending product shelf life. Eastman Tenox 21 Food Grade Antioxidant, Kosher Eastman Tenox 21 food-grade antioxidants stabilize various fats, oils, food, and cosmetics against oxidative deterioration, thus extending product shelf life. Eastman Tenox 25 Food Grade Antioxidant, Kosher Eastman Tenox antioxidants stabilize various fats, oils, food, and cosmetics against oxidative deterioration, thus extending product shelf life. Eastman Tenox 4 Food-Grade Antioxidant, Kosher Antioxidants stabilize various fats, oils, food, and cosmetics against oxidative deterioration, thus extending product shelf life. Eastman Tenox 4B Food-Grade Antioxidant, Kosher Antioxidants stabilize various fats, oils, food, and cosmetics against oxidative deterioration, thus extending product shelf life.