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The periodic table of fermented foods: limitations and opportunities

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Abstract

Fermentation is one of the oldest methods of food processing and accounts for a substantial proportion of human foods, including not only staple foods such as bread, cereal porridges or fermented legumes but also fermented vegetables, meats, fish and dairy, alcoholic beverages as well as coffee, cocoa and condiments such as vinegar, soy sauce and fish sauces. Adding the regional varieties to these diverse product categories makes for an almost immeasurable diversity of fermented foods. The periodic table of fermented foods aims to map this diversity on the 118 entries of the periodic table of chemical elements. While the table fails to represent the diversity of fermented foods, it represents major fermentation substrates, product categories, fermentation processes and fermentation organisms. This communication not only addresses limitations of the graphical display on a “periodic table of fermented foods”, but also identifies opportunities that relate to questions that are facilitated by this graphical presentation: on the origin and purpose of food fermentation, which fermented foods represent “indigenous” foods, differences and similarities in the assembly of microbial communities in different fermentations, differences in the global preferences for food fermentation, the link between microbial diversity, fermentation time and product properties, and opportunities of using traditional food fermentations as template for development of new products.

Key Points

• Fermented foods are produced in an almost immeasurable diversity.

• Fermented foods were mapped on a periodic table of fermented foods.

• This table facilitates identification of communalities and differences of products.

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Acknowledgements

Felicitas Pswarayi, Ying Hu and Lynn McMullen are acknowledged for helpful discussions in assembly of the periodic table of fermented foods over the past years and in assembly of the manuscript.

Funding

The Canada Research Chairs program is acknowledged for funding.

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MGG is responsible for all aspects of the manuscript.

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Correspondence to Michael Gänzle.

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This article does not contain any studies with human participants or animals performed by any of the authors.

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The author declares no competing interests.

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Gänzle, M. The periodic table of fermented foods: limitations and opportunities. Appl Microbiol Biotechnol 106, 2815–2826 (2022). https://doi.org/10.1007/s00253-022-11909-y

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  • DOI: https://doi.org/10.1007/s00253-022-11909-y

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