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6 Cards in this Set
- Front
- Back
Oxidase Test |
to determine if an organism produces the enzyme cytochrome oxidase Blue/Purple=Positive Colorless= Negative *Must read within 30 secs to be accurate* |
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PDA Phenylalanine Deaminase (Starts out yellow) |
To determine if an organism can produce PDA Add 6-8 drops of 10% ferric chloride Dark Green= Positive Remains tan=Negative |
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MacConkey Agar (starts out red) |
Hot pink/ red= Lactose Fermenter Colorless= Non-Lactose Fermenter |
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Hektone Enteric Agar HEA (starts out green) |
Yellow/Orange= Lactose Fermenter Blue/Green= Non-Lactose Fermenter Black= H2S producer |
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Kligler's Iron Agar KIA (starts out orange) |
To determine if an organism has the ability to ferment lactose and/or glucose, and produce hydrogen sulfide H2S Yellow= Positive Lactose on top Glucose on bottom Black= H2S |
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Citrate (starts out green) |
to determine if an organism has the ability to utilize citrate as a sole carbon source Blue= Positive |