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Title: Dashi  
Author: World Heritage Encyclopedia
Language: English
Subject: Udon, Tofu, Nabemono, Noodle soup, List of English words of Japanese origin
Collection: Fish and Seafood Soups, Japanese Condiments, Umami Enhancers
Publisher: World Heritage Encyclopedia


Katsuobushi shavings before being soaked in water
Type Soup or stock
Place of origin Japan
Cookbook: Dashi 
Opened package of instant dashi
Some common brands of packaged instant dashi

Dashi (出汁, だし) is a class of soup and cooking stock used in Japanese cuisines. Dashi forms the base for miso soup, clear broth, noodle broth, and many kinds of simmering liquid.


  • Methods 1
  • Variations 2
  • History 3
  • See also 4
  • References 5
  • Additional reading 6


The most common form of dashi is a simple broth or fish stock made by heating water containing kombu (edible kelp) and kezurikatsuo (shavings of katsuobushi - preserved, fermented skipjack tuna) to near-boiling, then straining the resultant liquid. The element of umami, considered one of the five basic tastes in Japan, is introduced into dashi from the use of katsuobushi. Katsuobushi is especially high in sodium inosinate, which is identified as one source of umami.[1]

Homemade dashi, made from dried kombu and katsuobushi, is less popular today, even in Japan.[2] Granulated or liquid instant dashi replaced the homemade product in the second half of the 20th century. Compared to the delicate nuanced taste of homemade dashi, instant dashi tends to have a stronger, less subtle flavor, due to the use of chemical flavor enhancers—glutamates and ribonucleotides.[3]


Other kinds of dashi stock are made by soaking kelp, niboshi, or shiitake in water for many hours or by heating them in near-boiling water and straining the resulting broth.

  • Kombu dashi stock is made by soaking kelp in water.
  • Niboshi dashi stock is made by pinching off the heads and entrails of small dried sardines, to prevent bitterness, and soaking the rest in water.
  • Shiitake dashi stock is made by soaking dried shiitake mushrooms in water.


In 1908, the unusual and strong flavor of kelp dashi was identified by Kikunae Ikeda as umami, the "fifth flavor", attributed to human taste receptors responding to glutamic acid.[4]

See also


  1. ^ Hosking, Richard (2000). At the Japanese Table. Images of Asia. New York: Oxford University Press. p. 43.  
  2. ^ Ingredients used for making dashi at home cooking (Japanese).
  3. ^ Ozeki, Erino (2008). "Fermented soybean products and Japanese standard taste". In Christine M., Du Bois. The world of soy. Food series. Urbana: University of Illinois Press. p. 155.  
  4. ^ Lindemann, B. (2002). "The Discovery of Umami". Chemical Senses 27 (9): 843–844.  

Additional reading

  • Hosking, Richard (1995). A Dictionary of Japanese Food. Tuttle.  
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