Media Types Flashcards
Chocolate Agar
Cooked horse blood
Haemophilus and Nesseria spp.
CNA
Columbia Colistin-Nalidixic Agar
Gram Positive Bacteria
PEA
Phenylethyl Alcohol Agar
Gram Positive Cocci &
Anaerobic Gram Negative Bacilli
SSA
Streptococcal Selective Agar
Selective for S. pyogenes and S. agalatiae
EMB
Eosin Methylene Blue
Selective/Differential
Enteric Gram Negative Bacilli
MAC
MacConkey Agar
Selective/Differential
Enteric Gram Negative Bacilli
SMAC
MacConkey Sorbitol Agar
Selective for E. coli O157:H7
HE
Hektoen Enteric
Selective/Differential
Enteric Bacteria, Inhibits Normal Flora
- Non-Pathogens are Orange-Salmon Pink
- Non-Lactose Fermenters are Green-Blue Green
- H2S colonies produce black precipitate
XLD
Xylose Lysine Deoxycholate
Selective/Differential
Salmonella and Shigella from stool
- Salmonella: red colonies with black centers
- Shigella: colorless or red colonies
SS
Salmonella-Shigella Agar
Selective
GN (Broth)
Gram-Negative Broth
Selective/Enrichment
Salmonella and Shigella
Selenite Broth
Enrichment for Salmonella
Tetrathionate Broth
Enrichment for Salmonella
Campy BA
Campylobacter Blood Agar
Selective/Enrichment
TM
Modified Thayer-Martin
Selective/Enrichment
- N. gonorrhoeae
- N. meningitidis