Question

3 Name the microbial sources of citric acid,
fumaric acid gluconic acid and acetic acid.​

Answer 1

Answer:

Aspergillus niger is a fungus that is used in the production of citric acid. Apart from citric acid, it is also used in the production of other organic acid like organic acids such as citric acid and gluconic acid.

Explanation:

hope you understand

Answer 2

Microbial sources of given acids are as follows -

Citric acid - Aspergillus niger

Fumaric acid - Fumaria officinalis

Gluconic acid - Gluconobacter oxydans

Acetic acid - Acetobacter acetii

• Microbes are used for the production of acid as they are easily cultivable.
• Moreover, the requirements to grow them is also well studied which includes data on pH, the requirement of oxygen, medium required for their growth.
• Also the conditions for their storage.
• Media optimization can be further done to increase the yield of acid.