Triple sugar slant
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6 Terms
what is the triple sugar iron test?
-microbiological test names for its ability to test a microorganisms ability to ferment dextrose, lactose, and sucrose along with the production of hydrogen sulfide
what does a red slant/yellow butt reaction mean?
-alkaline/acid
-it’s indicative of dextrose fermentation only
what does a yellow slant/yellow butt mean?
-acid/acid
-it indicated the fermentation of dextrose, lactose, and/or sucrose
what does a red slant/red butt reaction mean?
-alkaline/alkaline
-absence of carbohydrate fermentation results
what does blacking of the medium mean?
-occurs in the process of hydrogen sulfide
what does gas production mean?
-bubbles or cracks in the agar indicate the production of gas
-formation of CO2 and hydrogen sulfide
Note 
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