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Sauerkraut

Japanese: ザワークラウト

A traditional German pickle made by salting and lacto-fermenting cabbage. Rich in vitamin C, it was an important winter nutrient source.

Sauerkraut is made by massaging shredded cabbage with salt and fermenting it with the cabbage's own moisture and resident lactic acid bacteria—no additives. After weeks of fermentation, a refreshing sourness develops while vitamin C is preserved. It is said to have been carried on ships during the Age of Exploration to prevent scurvy. Like Japanese nukazuke, it is a simple yet powerful fermentation wisdom that preserves vegetables with just salt and lactic acid bacteria. Just cabbage and salt—this ultimate simplicity is sauerkraut's appeal. Easy to make at home, it is ideal for fermentation beginners. Similar lacto-fermented pickles exist in food cultures worldwide, attesting to the universal relationship between humans and lactic acid bacteria.

Related words

Lactic acid bacteria (LAB)

A general term for bacteria that produce lactic acid from sugars. They contribute to a wide range of fermented foods including pickles, yogurt, and miso, creating acidic environments that improve preservation.

Tsukemono (Japanese Pickles)

A general term for vegetables preserved in salt, rice bran, miso, vinegar, or soy sauce. Some involve fermentation; others do not.

Preserved Food

A general term for foods preserved through salting, drying, smoking, or fermentation. Before refrigeration, these techniques ensured stable food supplies.

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