Based on the function and the chemical components Basic medium contains the basic nutrients for most of bacterial growth; the base of other kind of media e.g. broth e Nutrient Medium/Enriched Medium Additional or special nutrients(e. g, serum, growth factors, trace elements) are added to support some fastidious bacterial growth e.g. blood agar.11 --contains the basic nutrients for most of bacterial growth; --the base of other kind of media. --e.g. broth. Additional or special nutrients (e.g.,serum, growth factors, trace elements) are added to support some fastidious bacterial growth. e.g. blood agar. Based on the function and the chemical components: Basic Medium Nutrient Medium/Enriched Medium • l