Kalsec, a leading global producer of natural spice and herb extracts, colors, food protection and hop extracts for the food and beverage industry, introduces DuraShield Antimicrobial Natural Food Protection Blends. This unique product harnesses the enhanced synergies of natural antioxidants combined with natural antimicrobials to improve both shelf life and food safety in a variety of applications, including meat and poultry, deli salads, dips, sauces and dressings.