Traditional Culture Encyclopedia - Traditional festivals - What is fermentation technology?
What is fermentation technology?
Fermentation technology refers to the technology that people use the fermentation function of microorganisms to control the fermentation process and produce fermented products on a large scale, which is called fermentation technology. Fermentation technology is one of the earliest food processing technologies in biotechnology.
Many traditional fermented foods, such as wine, lobster sauce, sweet sauce, bean sauce, yogurt, bread, ham, pickles, fermented bean curd and cheese, etc. With the rapid development of molecular biology and cell biology, modern fermentation technology came into being. The combination of traditional fermentation technology with DNA recombination technology and cell fusion technology has become the main feature of modern fermentation technology and engineering.
Fermentation is the process of transforming organic matter into products by microbial metabolic activities and biocatalysts. Decomposition of sugar or similar sugar substances in a narrow sense under aerobic conditions. For example, Streptococcus lactis converts lactose into lactic acid under anoxic conditions, and Acetobacter converts alcohol into acetic acid under aerobic conditions. Fermentation technology is a technology to obtain products by fermentation.
Microbes decompose macromolecules (such as protein and polysaccharide) in food, and at the same time, due to microbial metabolism, they also produce some metabolites, many of which are nutrients, such as amino acids and organic acids. Seeds and grains contain cellulose that is not easily digested by the human body.
Characteristics and functions of fermented food;
1, inhibiting the growth of spoilage bacteria and common pathogenic bacteria.
2. Fermented food can improve the nutritional value of original unfermented food.
3. After food is fermented, its original color, shape and flavor will change, and it will change according to people's wishes.
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