Paulig, the owner of the Santa Maria brand, worked with Flextrus, a member of AR Packaging, for a few years to develop packaging which protects its products while minimizing its environmental impact.   Santa Maria produces tortillas without preservatives. This means they are more sensitive; if not packed in a thoroughly evaluated and optimized packaging mold will form.    The new packaging is made of a lidding film based on unbleached paper which is coated with a tailored barrier materia...