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Raw Sea Urchin
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Raw Sea Urchin

Strongylocentrotus droebachiensis

Clinical Encyclopedia

Raw sea urchin, often referred to as uni, is a delicacy known for its creamy texture and briny flavor. It is rich in nutrients and is often enjoyed in sushi or sashimi.

Also known as:
Uni (Japan)Erizo (Spain)Oursin (France)
Scientific NameStrongylocentrotus droebachiensis
Region of OriginJapan

Macronutrient Ratio

Caloric distribution of primary energy metrics per 100g

Calories150 kcal
Water
80%
Fiber0g
Total22.0g
Protein
14g(64%)
Fats
6g(27%)
Carbohydrates
2g(9%)

Micronutrient DV% Score

Top vitamins and minerals ranked by percentage of Daily Recommended Value

Vitamins (DV%)
Minerals (DV%)

Complete Micronutrient Breakdown

Detailed concentration of essential micronutrients per 100g serving.

Vitamins

Major Source (≥ 2% DV)
Vitamin C2 mg (2%)
Vitamin b3 (niacin)0.5 mg (3%)
Vitamin B1210 µg (417%)
Vitamins with less than 2% DV
Vitamin A: 0 µgVitamin D: 0 µgVitamin E: 0 mgVitamin K: 0 µgVitamin b1 (thiamine): 0 mgVitamin b2 (riboflavin): 0 mgVitamin b5 (pantothenic acid): 0 mgVitamin b6 (pyridoxine): 0 mgFolate: 0 µgCholine: 0 mg

Minerals

Major Source (≥ 2% DV)
Calcium50 mg (5%)
Iron2 mg (11%)
Magnesium20 mg (5%)
Phosphorus200 mg (20%)
Potassium300 mg (6%)
Zinc1 mg (9%)
Copper0.2 mg (22%)
Minerals with less than 2% DV
Manganese: 0 mgSelenium: 0 µg

Health Benefits

High in protein and omega-3 fatty acids, which are essential for heart health and cognitive function.
Rich in vitamin B12, supporting energy metabolism and neurological function.

Possible Risks & Side Effects

!Raw sea urchin may carry a risk of foodborne illness if not sourced from reputable suppliers. Ensure it is fresh and properly handled.

How to Prepare & Consume

Best enjoyed raw in sushi or sashimi, or lightly seared to enhance its flavor.

Smart Selection & Storage

How to Select

Choose sea urchins that are heavy for their size and have a firm shell. Avoid any with a strong odor.

How to Store

Store in the refrigerator and consume within 1-2 days for optimal freshness.

Medicinal Profile & Bioactive Compounds

Therapeutic properties, key bioactive compounds, and clinical applications of this food.

Medicinal Properties
Rich in omega-3 fatty acids, Antioxidant properties, Supports brain health.
Main Applications
Culinary use in sushi and sashimi
Nutritional supplement for omega-3 intake
Bioactive Compounds
Omega-3 fatty acids

Support cardiovascular health and reduce inflammation.

Astaxanthin

Powerful antioxidant that may protect against oxidative stress.

How to Consume
Raw, Sushi, Sashimi, Lightly cooked
Did you know?

"Sea urchins have been consumed for centuries and are considered a delicacy in many cultures, particularly in Japan."

Myths vs Realities

MythSea urchin is poisonous.
RealitySea urchin is safe to eat when sourced properly; only certain species are toxic.
MythAll sea urchins taste the same.
RealityFlavor can vary significantly between species and regions.
MythSea urchin is only for gourmet chefs.
RealitySea urchin can be enjoyed by anyone and is easy to incorporate into various dishes.

Healthy Recipes

Sea Urchin Ceviche with Citrus Dressing

A refreshing ceviche that highlights the delicate flavor of raw sea urchin, enhanced with zesty citrus and fresh herbs.

Ingredients
  • 4 raw sea urchins
  • 1 lime, juiced
  • 1 lemon, juiced
  • 1 orange, juiced
  • 1 small red onion, finely diced
  • 1 jalapeño, finely chopped
  • 1/4 cup fresh cilantro, chopped
  • Salt to taste
Instructions
  1. 1. Carefully open the sea urchins and scoop out the uni into a bowl.
  2. 2. Add lime, lemon, and orange juice to the uni, mixing gently.
  3. 3. Fold in the red onion, jalapeño, cilantro, and salt. Let marinate for 15 minutes before serving.

Sea Urchin and Avocado Toast

A nutritious twist on classic avocado toast, topped with creamy sea urchin for a luxurious breakfast or snack.

Ingredients
  • 2 slices whole grain bread
  • 1 ripe avocado
  • 4 raw sea urchins
  • 1 tbsp olive oil
  • Salt and pepper to taste
  • Chili flakes for garnish
Instructions
  1. 1. Toast the whole grain bread until golden brown.
  2. 2. Mash the avocado with olive oil, salt, and pepper, then spread it on the toasted bread.
  3. 3. Top with sea urchin and sprinkle with chili flakes before serving.

Pasta with Sea Urchin Sauce

A rich and creamy pasta dish that combines the umami flavors of sea urchin with garlic and olive oil.

Ingredients
  • 200g spaghetti
  • 4 raw sea urchins
  • 2 cloves garlic, minced
  • 1/4 cup olive oil
  • 1/4 cup fresh parsley, chopped
  • Salt and pepper to taste
Instructions
  1. 1. Cook spaghetti according to package instructions until al dente.
  2. 2. In a pan, heat olive oil and sauté garlic until fragrant.
  3. 3. Add the sea urchin and cooked pasta, tossing to combine. Stir in parsley, salt, and pepper before serving.

Sea Urchin Sushi Rolls

Delicate sushi rolls featuring fresh sea urchin, avocado, and cucumber for a healthy and satisfying meal.

Ingredients
  • 2 cups sushi rice
  • 4 sheets nori
  • 4 raw sea urchins
  • 1 avocado, sliced
  • 1 cucumber, julienned
  • Soy sauce for dipping
Instructions
  1. 1. Prepare sushi rice according to package instructions and let cool.
  2. 2. Lay a sheet of nori on a bamboo mat, spread a thin layer of rice, and arrange sea urchin, avocado, and cucumber on top.
  3. 3. Roll tightly, slice into pieces, and serve with soy sauce.

Sea Urchin and Quinoa Salad

A protein-packed salad combining quinoa, fresh vegetables, and raw sea urchin for a nutritious meal.

Ingredients
  • 1 cup cooked quinoa
  • 4 raw sea urchins
  • 1 cup cherry tomatoes, halved
  • 1/2 cucumber, diced
  • 1/4 cup red onion, finely chopped
  • 2 tbsp olive oil
  • Juice of 1 lemon
  • Salt and pepper to taste
Instructions
  1. 1. In a large bowl, combine cooked quinoa, cherry tomatoes, cucumber, and red onion.
  2. 2. Add olive oil, lemon juice, salt, and pepper, mixing well.
  3. 3. Top with sea urchin just before serving.

Sea Urchin Tartare with Avocado

A sophisticated tartare featuring fresh sea urchin and creamy avocado, perfect as an elegant appetizer.

Ingredients
  • 4 raw sea urchins
  • 1 ripe avocado, diced
  • 1 tbsp lime juice
  • 1 tbsp sesame oil
  • 1 tbsp soy sauce
  • Chives for garnish
Instructions
  1. 1. Scoop out the sea urchin into a bowl and mix with lime juice, sesame oil, and soy sauce.
  2. 2. Gently fold in the diced avocado.
  3. 3. Serve in a small dish, garnished with chives.

Sea Urchin and Vegetable Stir-Fry

A quick and healthy stir-fry featuring fresh vegetables and raw sea urchin for a unique flavor profile.

Ingredients
  • 4 raw sea urchins
  • 1 bell pepper, sliced
  • 1 cup snap peas
  • 2 cloves garlic, minced
  • 2 tbsp soy sauce
  • 1 tbsp olive oil
Instructions
  1. 1. Heat olive oil in a pan and sauté garlic until fragrant.
  2. 2. Add bell pepper and snap peas, stir-frying until tender-crisp.
  3. 3. Add sea urchin and soy sauce, tossing gently before serving.

Sea Urchin and Mango Salad

A vibrant salad combining sweet mango and rich sea urchin, perfect for a light and refreshing meal.

Ingredients
  • 4 raw sea urchins
  • 1 ripe mango, diced
  • 2 cups mixed greens
  • 1/4 cup lime vinaigrette
  • Salt to taste
Instructions
  1. 1. In a large bowl, toss mixed greens with diced mango and lime vinaigrette.
  2. 2. Scoop sea urchin on top and season with salt before serving.

Sea Urchin Soup with Coconut Milk

A creamy and comforting soup that blends the flavors of sea urchin with coconut milk and spices.

Ingredients
  • 4 raw sea urchins
  • 1 can coconut milk
  • 1 cup vegetable broth
  • 1 tsp ginger, grated
  • 1 tsp garlic, minced
  • Salt and pepper to taste
Instructions
  1. 1. In a pot, combine coconut milk, vegetable broth, ginger, and garlic, bringing to a simmer.
  2. 2. Add sea urchin and cook for a few minutes until heated through.
  3. 3. Season with salt and pepper before serving.

Sea Urchin Bruschetta

A delightful appetizer featuring toasted bread topped with a mixture of sea urchin and fresh herbs.

Ingredients
  • 4 slices baguette
  • 4 raw sea urchins
  • 1/4 cup fresh basil, chopped
  • 1 clove garlic, minced
  • 1 tbsp olive oil
  • Salt and pepper to taste
Instructions
  1. 1. Toast the baguette slices until golden.
  2. 2. In a bowl, mix sea urchin with basil, garlic, olive oil, salt, and pepper.
  3. 3. Top each slice of baguette with the sea urchin mixture and serve immediately.

Frequently Asked Questions (FAQ)

What is sea urchin?

Sea urchin is a marine animal with a spiny exterior, often eaten for its edible gonads, known as uni.

Is raw sea urchin safe to eat?

Yes, as long as it is sourced from reputable suppliers and handled properly to avoid foodborne illness.

What does sea urchin taste like?

It has a creamy, briny flavor that is often described as the taste of the ocean.

How should I store raw sea urchin?

Keep it refrigerated and consume it within a day or two for the best quality.

Can I cook sea urchin?

Yes, it can be lightly cooked, but it is best enjoyed raw to appreciate its unique flavor.

What are the health benefits of sea urchin?

It is high in protein, omega-3 fatty acids, and vitamin B12, which are beneficial for heart and brain health.

Where can I buy fresh sea urchin?

Look for it at specialty seafood markets or high-end grocery stores that offer fresh seafood.

How do I eat sea urchin?

It can be eaten directly from the shell or used as a topping for sushi and sashimi.