Hijiki seaweed

12 Interesting Facts About Hijiki (Seaweed Salad)

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Hijiki seaweed salad is a classic Japanese dish that is both healthy and delicious. The main ingredient, hijiki, is a type of brown seaweed that is nutrient-dense and has been used in Asian cuisines for centuries.

This seaweed has a unique taste and texture – slightly sweet, salty, and earthy, with a pleasant chewy bite. It makes a flavorful, mineral-rich addition to salads, soups, rice dishes, and more.

Below are 12 fascinating facts about hijiki seaweed and hijiki salad that showcase why this food is so special:

Interesting Facts About Hijiki

  1. Hijiki is wild-foraged off the rocky coastal areas of East Asia. It thrives in nutrient-rich, cold seawater habitats. Fishermen hand harvest hijiki seaweed using scythes and sickles during low tides in early spring.
  2. It has an impressive nutritional profile. Hijiki is low in calories but packed with dietary fiber, essential vitamins and minerals like iron, calcium, and magnesium. It also contains compounds that may offer health benefits.
  3. The seaweed transforms in appearance when dried. Fresh hijiki has a dark greenish-brown hue. After drying, it turns nearly black with a shriveled look. Rehydrating it causes the hijiki to expand and soften.
  4. Hijiki has a unique taste and texture. It has a subtly sweet, mineral-rich flavor and pleasant chewy-crisp bite. When cooked, hijiki takes on a richer, more umami taste.
  5. It adds beneficial nutrients to dishes. Hijiki boosts the nutritional quality of salads, rice, noodles, and more with extra fiber, vitamins, and antioxidants.
  6. Hijiki salad combines the seaweed with colorful veggies. Ingredients like carrots, shredded cabbage, edamame, and fried tofu make for a nutritious mix of flavors and textures.
  7. A sweet-salty dressing brings out hijiki’s taste. The salad is tossed in a sauce of soy sauce, mirin, sake, sugar, and sesame oil to balance hijiki’s natural brininess.
  8. Both cold and warm versions exist. Hijiki salad can be served chilled, at room temperature, or freshly tossed while the ingredients are still warm.
  9. It has a long history as a Japanese pantry staple. Archaeological evidence suggests hijiki was eaten in Japan over 10,000 years ago!
  10. The seaweed grows abundantly in Japan’s Seto Inland Sea. The protected ocean waters, with over 700 islands, provide ideal hijiki growing conditions.
  11. April is peak harvesting season in Japan. Fishermen forage for hijiki during spring low tides before the seaweed grows too large and tough.
  12. Dried hijiki can be purchased online or at Asian grocery stores. It is inexpensive, stores well long-term, and makes preparing hijiki salad fast and easy.


With its one-of-a-kind flavor, high nutritional value, and long culinary history, hijiki seaweed is much more than just your average salad green. This versatile and sustainably wild-harvested ingredient brings an ocean-fresh taste and health boost to a variety of Japanese dishes.

Whipping up a bowl of hijiki salad at home is simple. The preparation techniques allow the umami-rich seaweed’s taste and texture to shine while combining beautifully with bright, crispy vegetables. Served chilled or warm, hijiki salad makes for a savory, nutritious, and delicious Japanese-inspired side.

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