Differential Media Flashcards
BAP
Intact RBCs
Types of hemolysis
MSA
Mannitol Salt Agar
Mannitol, phenol red, 7.5% NaCl
Species of Staphylococcus
HEA
Hektoen Enteric Agar
Bromthymol blue, salicin, lactose, sucrose, sodium thiosulfate, ferric ammonium citrate, bile
Salmonella, Shigella, other LFs & NLFS
SBA
Spirit Blue Agar
Spirit blue dye,oil
Fat-utilizing bacteria from those that do not
Urea broth
Urea, phenol red
Urea-hydrolyzing bacteria
SIM
Sulfide Indole Motility
Thiosulfate, Fe
H2S production
TSI
Triple Sugar Iron
Triple sugars, Fe, phenol red dye
Sugar fermentation & H2S production
Xylose Lysine Deoxycholate agar (XLD agar)
Xylose, lysine, lactose, sucrose, phenol red, sodium deoxycholate
Allows differentiation of xylose fermentation, lysine decarboxylation & H2S prodxn