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Saccharina japonica

Saccharina japonica is an edible brown seaweed commonly sold as dried kombu, whose leathery blades flavour broths, stews and other dishes.

Saccharina japonica — illustrative ingredient image

About Saccharina japonica

Saccharina japonica is an edible brown seaweed commonly known in the food trade as kombu. It is sold as broad, leathery blades, usually dried and dark olive-brown to nearly black; rehydrated, it becomes pliable and has a savory, marine flavour. It may also be sold cooked or processed into strips or powder.

Dried kombu is simmered to flavour broths and is also used in stews and other preparations; it may be removed before serving or eaten after cooking. Products vary by harvest and processing, and dried, rehydrated and cooked forms differ in texture and concentration.

Ingredient type
whole food

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Where saccharina japonica appears

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Name examples awaiting language review. Confirm the specific food or product.

Local names for saccharina japonica

Names and romanised forms to recognise on menus and labels.

Japanese

昆布

kombu

Available names only. Languages may be spoken in other countries; a name alone does not identify every ingredient in a dish.

Saccharina japonica nutrition & diet

Saccharina japonica nutritional value

Reference: Brown Kelp, Raw

Per 100 g of 100 g edible portion in the named official reference form.

Calories
12kcal
Protein
1.1g
Carbs
4.2g
Fat
0.2g

Official national food-composition reference. The displayed food form is part of the estimate; cultivar, recipe, brand, processing and preparation can change values.

Dried seaweed is concentrated relative to rehydrated or cooked seaweed, and processing and retained cooking liquid affect measured nutrition.

Dietary compatibility

  • Vegan
    Not established
  • Vegetarian
    Not established
  • Pescatarian
    Not established
  • Keto
    Not established
  • Paleo
    Not established
  • Low-carb
    Not established
  • Halal
    Not established
  • Kosher
    Not established
What these diet assessments mean
Vegan · Not established
The available profile does not establish the full composition or processing for this dietary pattern.
Vegetarian · Not established
The available profile does not establish the full composition or processing for this dietary pattern.
Pescatarian · Not established
The available profile does not establish the full composition or processing for this dietary pattern.
Keto · Not established
A defined serving and sourced carbohydrate data are needed before assessing this dietary pattern.
Paleo · Not established
The ingredient form and processing have not been assessed against this dietary pattern.
Low-carb · Not established
A defined serving and sourced carbohydrate data are needed before assessing this dietary pattern.
Halal · Not established
Sourcing, processing and any applicable certification have not been verified. A food name alone does not establish halal status.
Kosher · Not established
Sourcing, processing and any applicable certification have not been verified. A food name alone does not establish kosher status.

For the plain ingredient · Awaiting review. Diet compatibility is not allergy suitability or halal/kosher certification. Keto and low-carb depend on the portion.

Reviewed ingredient entryIngredient reference · Preparations vary

AI-generated illustration for visual context. It does not identify a particular product or establish allergen content.

Sources & review

Nutrition reference: Korean Standard Food Composition Database 10.4 (2026) — L0050000000a ↗. Values are scaled from 100 g of the recorded edible form. Individual portions have no assumed fixed weight.

Expanded overview, name examples and nutrition notes are database drafts awaiting editorial review. Numeric nutrition values, where shown, have their own source and food-form reference.

The ingredient description and dish connections come from the draft catalogue and may change after review.

Last recorded verification: .