QPS means “Qualified Presomption of Safety”. This is a list serving as a tool to quickly identify risks related to the use of a microorganism. Generally, lactic acid bacteria considered as probiotics have this status. What does QPS mean? QPS is an acronym of Qualified Presomption of Safety. This is a European process carried out by the European Food Safety Authority (EFSA), established in 2007. The objective is to establish a safety assumption based on reasonable evidence. It assesses the safety of bacteria, yeasts, fungi and viruses when they require market authorisations as sources feed additives, food enzymes, food additives and [...]