Results for “what is fermentation” · retrieved September 22, 2026

Quick answer

Fermentation is an anaerobic metabolic process that breaks down organic compounds to produce energy and various byproducts like alcohol or acids.

Biochemically, fermentation is an anaerobic metabolic process where organisms break down organic compounds, such as glucose, to generate energy in the form of ATP. This enzyme-catalyzed process involves transferring electrons to organic molecules rather than oxygen. In industrial and culinary contexts, it refers to the use of microorganisms like bacteria, yeast, or molds to transform organic substances into products such as alcohol, acids, or biomass. While often associated with the absence of air, food fermentation can occur in both aerobic and anaerobic conditions.

Answer details

1

Anaerobic Energy Production

It is an anaerobic process, meaning it does not require oxygen to extract energy from carbohydrates like sugar.

2

Microbial Transformation

Microorganisms such as yeast and bacteria are used to convert organic substances into useful products like ethanol, lactic acid, and carbon dioxide.

3

Industrial and Culinary Uses

It is widely used in industries to produce food, beverages, pharmaceuticals, and biofuels by controlling microbial enzymatic activity.

4

Food Fermentation Context

In food production, fermentation can occur with or without oxygen and creates metabolites that influence a food's flavor, texture, and nutritional profile.

britannica.com

Fermentation | Definition, Process, & Facts

What is fermentation?...Fermentation is a chemical process where molecules like glucose are broken down without oxygen. This process, used for millennia in making wine and beer, creates frothing from carbon dioxide release. Louis Pasteur defined fermentation as changes from yeasts and microbes growing without air, noting that ethyl alcohol and carbon dioxide aren't the only results....Today, fermentation means the enzyme-driven, energy-releasing

September 18, 2026

en.wikipedia.org

Fermentation

Fermentation is a type of anaerobic metabolism that harnesses the redox potential of the reactants to make adenosine triphosphate (ATP) and organic end products. [1] [2] Organic molecules, such as glucose or other sugars, are catabolized and their electrons are transferred to other organic molecules (cofactors, coenzymes, etc.). [1] Anaerobic glycolysis is a related term used to describe the occurrence of fermentation in organisms (usually multic

Publication date not supplied

merriam-webster.com

FERMENTATION Definition & Meaning - Merriam-Webster

: the enzyme-catalyzed anaerobic breakdown of an energy-rich compound (such as a carbohydrate to carbon dioxide and alcohol or to an organic acid) by the action of microorganisms (such as bacteria or yeast) that occurs naturally and is commonly used in the production of various products (such as food, alcoholic beverages, and pharmaceuticals) especially by controlling microbial enzymatic activity...broadly : any of various enzyme-catalyzed aerobi

Publication date not supplied

goldbook.iupac.org

IUPAC - fermentation (F02337)

1. In metabolism, the dehydrogenating degradation of organic substance by organisms or cells under anaerobic conditions in which electrons are transferred to metabolites which accumulate and are excreted in reduced form. Fermentation is only possible if the organism is able to gain energy by this process....2. In microbiology, the process in which cells (microorganisms, plant or animal cells) are cultured in a bioreactor in liquid or solid medium

Publication date not supplied

biologyonline.com

Fermentation - Definition and Examples - Biology Online Dictionary

ˈfɝmɛnteɪʃən An anaerobic cellular process in which an organic food is converted into simpler compounds, and chemical energy (ATP) is produced...What is fermentation? Fermentation is the breaking down of sugar molecules into simpler compounds to produce substances that can be used in making chemical energy. Chemical energy, typically in the form of ATP, is important as it drives various biological processes. Fermentation does not use oxygen; thus

September 11, 2020

thoughtco.com

What Is Fermentation? Definition and Examples

Fermentationis a process used to produce wine, beer, yogurt, and other products. Here&39;s a look at the chemical process that occurs during fermentation.Key Takeaways: Fermentation...* Fermentation is a biochemical reaction that extracts energy from carbohydrates without using oxygen.* Organisms use fermentation to live, plus it has many commercial applications.* Possible fermentation products include ethanol, hydrogen gas, and lactic a

July 9, 2011

dictionary.cambridge.org

FERMENTATION definition | Cambridge English Dictionary

Ethanol is an alcohol produced by fermentation of sugars....Fermentation takes about 48 hours.

Publication date not supplied

med.stanford.edu

The Science of Fermented Foods | Nutrition - Stanford Medicine

Fermentation happens when microbes—like bacteria and yeast—break down food components, creating new flavors and beneficial compounds. Unlike the strict biochemical definition, food fermentation can happen with or without oxygen....The microbes involved, called fermentation-associated microbes (FAM), vary depending on the food and fermentation method. Some foods, like sauerkraut, rely on the use of spontaneous microbial communities (wild microbes)

May 7, 2025

Keep exploring

Related on this site

This page was prepared by Seeked from live retrieval on September 22, 2026 and is not continuously updated. Run a fresh search for the latest, or to inspect each source.