Survival of a probiotic, Lactobacillus casei strain Shirota, in the gastrointestinal tract: selective isolation from faeces and identification using monoclonal antibodies

anticorps monoclonal anticuerpos monoclonales appareil digestif digestive system elisa faeces feces fermented products genre humain heces lactobacillus casei mankind medio selectivo milk products monoclonal antibodies probiotics probiotique productos fermentados produit laitier selective media sistema digestivo supervivencia survie survival test elisa