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Description
Microbes can tolerate minor changes in osmotic pressure but may be killed or inhibited by the osmotic pressure exerted by high concentrations of salt or sugar. Students observe the effect of 6 concentrations of sugar or salt on 5 food spoilage microbes. Real world application to food preservation methods are addressed. Requires 7 days from setup to completion. Enough materials for a class of 30. Perfect for beginner microbiology students. Perishable cultures included.
Microbes can tolerate minor changes in osmotic pressure but may be killed or inhibited by the osmotic pressure exerted by high concentrations of salt or sugar. Students observe the effect of 6 concentrations of sugar or salt on 5 food spoilage microbes. Real world application to food preservation methods are addressed. Requires 7 days from setup to completion. Enough materials for a class of 30. Perfect for beginner microbiology students. Perishable cultures included.
Specifications
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