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Description
Intermediate—Easy to perfom; requires some basic training in microbiology.
For a class of 30. Acetic acid bacteria are used in the commercial production of vinegar (acetic acid). Students culture 2 acetic acid bacteria on bromcresol green agar containing ethanol. As the ethanol is oxidized, students can observe a color change in the agar.
Intermediate—Easy to perfom; requires some basic training in microbiology.
For a class of 30. Acetic acid bacteria are used in the commercial production of vinegar (acetic acid). The bacteria oxidize ethanol to form acetic acid. Students culture 2 acetic acid bacteria on bromcresol green agar containing ethanol. As the ethanol is oxidized, students can observe a color change in the agar. The history of vinegar-making technique is included. The exercise requires 4 to 6 days from setup to completion.
Note:Keep bacteria and fungus cultures at room temperature; do not incubate or refrigerate.
** Kit and perishable components will ship separately and may arrive on different days.
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