BS EN ISO 11290-1:2017 pdf free.Microbiology of the food chain - Horizontal method for the detection and enumeration of Listeria monocytogenes and of Listeria spp- Part1:Detection method. The main changes, listed in the foreword, introduced in this document compared to Iso 11290-1:1996 are considered as major (see ISO 17468). The technical changes were assessed and were considered to have no...