Shirataki noodles

Shirataki (Japanese: 白滝, often written with the hiragana しらたき) are translucent, gelatinous Japanese noodles made from the corm of the konjac yam. They are part of traditional Japanese cuisine, but they are also valuable to people with allergies or intolerances to wheat, gluten or eggs, or to people on a diet for their low caloric value.[1]

Shirataki noodles
Shirataki noodles (top) and other ingredients in a donabe
TypeJapanese noodles
Place of originJapan
Main ingredientsNoodles (konjac yam)


The konjac yam, whose corm (a thick underground stem) yields the yam-cake (konnyaku) from which the noodles are made, is also called devil's tongue yam or elephant yam. [2]:157–11 The word shirataki means "white waterfall", referring to the appearance of these noodles. Shirataki noodles are made from 97% water and 3% konjac, which contains glucomannan, a water-soluble dietary fiber. They are very low in digestible carbohydrates and food energy, and have little flavor of their own.[3][4][5]


There used to be a difference in manufacturing methods. Producers in the Kansai region of Japan prepared shirataki (called ito konnyaku there) by cutting konnyaku jelly into threads, while producers in the Kantō region made the noodles by extruding konnyaku sol through small holes into a hot, concentrated lime solution.[6] Modern producers make both types using the latter method.

Culinary use

Shirataki noodles come in dry and soft "wet" forms in Asian markets and some supermarkets. When purchased wet, they are packaged in liquid. They normally have a shelf life of up to one year. Some brands require rinsing and sautéing or parboiling, as the water in the packaging has an odor some find unpleasant.[7][8][9]

The noodles can also be drained and dry-roasted, which diminishes bitterness and gives the noodles a more pasta-like consistency. Dry-roasted noodles can be served in soup stock, sauce, or noodle soup.

Names and forms

Shirataki also goes by the names ito-konnyaku (Japanese: 糸こんにゃく), yam noodles, and devil's tongue noodles.[2]:157–12 The form called ito konnyaku is generally thicker than shirataki, with a square cross section and a darker color. It is preferred in the Kansai region.


  1. "Shirataki noodles: 6 health benefits, nutrition facts, and meals". 2021-05-20. Retrieved 2022-05-27.
  2. Hui, Yiu. Handbook of food science, technology, and engineering. Volume 4. CRC Press: 2006.
  3. "Shirataki Noodle Recipes: The No-Carb Pasta". HuffPost. September 28, 2012. Retrieved August 28, 2016.
  4. "Konjac Foods - Pure Fiber Zero Calories Pasta".
  5. "Why My Fridge Is Never Without Shirataki Noodles (and Yours Shouldn't be Either)". February 18, 2015. Retrieved August 28, 2016.
  6. (in Japanese) 「糸こんにゃく」と「しらたき」論争 Archived 2011-02-27 at the Wayback Machine, Tokyo Gas
  7. "Shirataki Noodles: The Zero-Calorie 'Miracle' Noodles". Healthline. 6 December 2018. Retrieved 10 April 2019.
  8. "Shirataki Noodles Are Hideous". HuffPost. 15 October 2014. Retrieved 10 April 2019.
  9. "Wake up and smell the konjac". Slim Rice. 3 March 2015. Retrieved 10 April 2019.
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