Certified gluten-free. Non-GMO. Finest quality since 1907. Sealed for your protection. The world's finest flavors. Our family business has crafted the finest flavors for more than a century. Full of bright flavor, this culinary paste adds a splash citrus to a variety of sweet and savory dishes. Chefs tell us 1 tbs of paste is a slightly sweeter substitute for 1 tsp of lemon extract and can be used in place of lemon juice and zest. - The Nielsens. www.NielsenMassey.com.