VINEGAR AND CITRIC ACID QUIZ

Fungal mycelium grows through out the solution in a deep tank

A. niger floats on the surface of solution

both (a) and (b)

A. niger is used with solid substrate as sweet potato

6

3

4

5

ale

fruit juices

ethanol

malted grain

malted grain

fruit juices

ethanol

ale

5

6

4

3

Saccharomyces cerevisiae

Streptococcus lactis

Aspergillus niger

Lactobacillus bulgaricus

a fed batch reactor can be used to maintain low ethanol concentrations

a fed batch reactor can be used to maintain low acetic acid concentrations

acetic acid bacteria tend to ferment at high ethanol concentrations

All of these

ale

ethanol

fruit juices

malted grain

malted grain

ethanol

ale

fruit juices

both (a) and (b)

Gluconobacter

Lactobacillus

Acetobacter