What is an example of industrial fermentation?
A common example is ethanol or lactic acid, produced during glycolysis. Citric acid is produced by some strains of Aspergillus niger as part of the citric acid cycle to acidify their environment and prevent competitors from taking over.
What industries use fermentation?
Fermentation has many health benefits and is used in the production of alcoholic beverages, bread, yogurt, sauerkraut, apple cider vinegar and kombucha. It is also used in industry to generate ethanol as a source of biofuel.
What are the uses of fermentation in our daily life?
For example, fermentation is used for preservation in a process that produces lactic acid found in such sour foods as pickled cucumbers, kombucha, kimchi, and yogurt, as well as for producing alcoholic beverages such as wine and beer.
When did the industrial process of fermentation begin?
Commercial production of enzymes for use in industrial process began on a large scale in 1970. The discovery of the tools of genetic engineering expanded the possibilities for products made by fermentation in situ, and the first genetically engineered fermentation product was developed and commercialized in 1977.
Why is fermentation important to 2 ND generation?
Fermentation also plays a prominent role in 2 nd generation bioethanol production processes. As a consequence, industrial fermentation processes are considered to form an important technological asset for reducing our future dependence on chemicals and products produced from fossil fuels.
How is the inoculum used in industrial fermentation?
After sufficient growth, the preculture is used to inoculate the seed fermenter. Because industrial fermentations tend to be large (typically 150–250 m 3), the inoculum is built up through several successively larger stages, to 5–10% of the working volume of the production fermenter.
How does the long fermentation process affect productivity?
An excessively long fermentation time (or batch time) reduces productivity (amount of product produced per unit time per unit volume of fermenter) and increases costs. Sometimes, inoculation spores, produced as seed, are blown directly into the larger fermentation vessel with in-going air.
