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Related Concept Videos

Microbes in Food Production01:29

Microbes in Food Production

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Microbial fermentation is central to food biotechnology, enhancing flavor, texture, preservation, and stability. Fermentative microorganisms metabolize carbohydrates into organic acids, alcohols, and other metabolites that inhibit spoilage organisms and improve digestibility while contributing distinctive sensory qualities.In baking, amylases naturally present in flour hydrolyze starch into monosaccharides such as glucose, which Saccharomyces cerevisiae ferments anaerobically. Through...
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Lactic acid bacteria (LAB) and molds are instrumental in fermenting plant-based foods to enhance preservation and ensure year-round availability. These microbial processes convert plant carbohydrates into organic acids and other metabolites that inhibit spoilage organisms and contribute to the sensory qualities of the final product.In sauerkraut production, cabbage goes through a microbial succession that starts with cocci such as Leuconostoc mesenteroides. These microbes begin fermentation by...
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Strain improvement is a foundational strategy in industrial microbiology aimed at maximizing microbial productivity, particularly because natural isolates typically yield commercially valuable products in very low concentrations. Although optimizing the culture medium and environmental conditions can improve yields, these adjustments are inherently limited by the organism’s genetic potential. As a result, the focus shifts toward genetic modifications to enhance biosynthetic capacity. The...
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Most vertebrate cells grow in vitro attached to a substrate as a monolayer, called adherent cultures. The flasks and plates used to grow cells are chemically treated to facilitate cell attachment. However, a few cell types, such as hematopoietic cells, can grow in a suspension. In contrast to adherent cultures, suspension cultures can grow in non-treated cultureware using magnetic stirrers or spinner flasks to agitate the culture media
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Fermentation is a foundational biotechnological process used to produce pharmaceuticals, biofuels, enzymes, and food additives. Among industrial strategies, batch and continuous fermentation are the two most widely applied. Although both rely on microbial conversion of substrates into desired products, they differ markedly in operation, productivity, and suitability for specific applications.Batch fermentation occurs in a closed system in which nutrient media and inoculum are added at the...
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Pure cultures, defined as the growth of a single microorganism species isolated from mixed populations, are fundamental tools in microbiological research and practical applications. These cultures ensure genetic and physiological uniformity, allowing researchers to study microbial traits under controlled conditions.Isolation and Maintenance of Pure CulturesObtaining a pure culture involves isolating a single microbial type from a mixed sample through techniques such as serial dilutions, streak...
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Wheat Sourdough Breadmaking: A Scoping Review.

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Industrial production of sourdoughs for the baking branch - An overview.

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Propionic acid production by cofermentation of Lactobacillus buchneri and Lactobacillus diolivorans in sourdough.

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Adaptability of lactic acid bacteria and yeasts to sourdoughs prepared from cereals, pseudocereals and cassava and use of competitive strains as starters.

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Related Experiment Video

Updated: May 6, 2026

Establishing Stable Binary Cultures of Symbiotic Saccharibacteria from the Oral Cavity
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Starter cultures for cereal based foods.

Markus J Brandt1

  • 1Ernst Böcker GmbH & Co. KG, Ringstrasse 55-57, 32423 Minden, Germany.

Food Microbiology
|November 16, 2013
PubMed
Summary

Traditional fermented cereals, like sourdough, rely on robust starter cultures adapted to specific raw materials and process conditions. Commercial starter cultures are mainly available for sourdough, highlighting its unique microbial ecology.

Area of Science:

  • Food Microbiology
  • Fermentation Science
  • Nutritional Science

Background:

  • Fermented cereals are globally significant for human nutrition.
  • Traditional starter cultures for cereal fermentation are often spontaneous or maintained via traditional methods.
  • Industrial microbiology has led to the replacement of traditional cultures with pure, preserved cultures, particularly in the dairy industry.

Purpose of the Study:

  • To highlight the importance of competitive and well-adapted starter cultures in cereal fermentation.
  • To contrast sourdough fermentation with other processes like ethanol production.
  • To discuss the availability of commercial starter cultures for fermented cereals.

Main Methods:

  • The abstract does not detail specific experimental methods but discusses general principles of microbial ecology and fermentation.
Keywords:
SourdoughStarter cultures

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  • Emphasis on the need for cultures competitive against high microbial loads in raw cereals.
  • Consideration of adaptation to specific cereal types and process conditions.

    • Main Results:

    • Sourdough fermentation avoids pasteurization, requiring robust starter cultures.
    • Cultures must be competitive and adapted to the cereal's ecology and process conditions.
    • Limited availability of commercial starter cultures exists, primarily for sourdough.

    Conclusions:

    • Starter culture adaptation is crucial for successful cereal fermentation, especially in sourdough.
    • The unique ecology of sourdough necessitates specific microbial characteristics.
    • Further development of commercial starter cultures for various fermented cereals may be warranted.