Summary
The presence of a small concentration of nickel or zinc ions in the cultures ofAerobacter aerogenes increases the formation of 2,3 butanediol in the cultures. The presence of 1 per cent of milk increases the formation of 2,3 butanediol in the cultures and decreases the consumption of sugar. Copper ions inhibit the formation of 2,3 butanediol.
The combination of zinc and nickel ions decrease the formation of 2,3 butanediol in the cultures ofAerobacter aerogenes and even with addition of milk this combination is not beneficial to the formation of the diol. Nickel in presence of milk increases the formation of 2,3 butanediol.
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