For dairy processors, spoilage and pathogenic spore‐forming bacteria are key sources of concern, not only due to their ability remain dormant in a desiccated state powders survive heat treatments, but also form biofilms the vegetative that lead contamination foods. These include members genera Bacillus , Geobacillus Anoxybacillus Brevibacillus Paenibacillus Clostridium many which associated wit...