🌍 Northern Japan (Hokkaido) and Korean coasts
🕰️ Japanese historical records 8th century AD; Meiji-era cultivation mid-19th century
Dates clés
797 AD
Kombu first documented as tribute sent to imperial court
1908
Professor Kikunae Ikeda identifies glutamate in kombu as the source of umami
1909
Ikeda patents monosodium glutamate (MSG), enabling industrial umami flavor
1980s
Dashi (kombu stock) recognized globally as the foundation of Japanese cuisine
Anecdotes culturelles
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Japanese
In Japanese, the word "kombu" is related to the word for joy ("kobu") — dried kombu is given as a celebratory gift at weddings and New Year.
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Okinawan
Okinawa consumes more kombu per capita than any other Japanese region — historians link this to the area's extraordinary longevity rates.
Routes commerciales
- Kitamae shipping routes — Hokkaido → Osaka & Ryukyu Kingdom (Okinawa) (17th–19th century)
- Ryukyu Kingdom maritime trade — Okinawa → China (15th–19th century)
À travers les âges
- Nara period Dried and stored as preserved food for long journeys and imperial tribute
- Edo period Dashi stock from kombu becomes the invisible backbone of Japanese cooking
- Modern era Global fermentation and plant-based cooking catalyst; primary natural source of umami