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Algae, "Iwa-nori", dried: Calories & Nutrition per 100 g (Japan's Official Food Table)

Last updated: 2026-09-17

Algae, "Iwa-nori", dried has 228 kcal per 100 g of edible portion, with 34.8 g protein, 0.7 g fat and 39.1 g carbohydrate, according to Japan's official Standard Tables of Food Composition.

Food number09007
Name in Japaneseいわのり 素干し
Food groupAlgae

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Nutrition per 100 g (edible portion)

Energy228 kcal
Water8.4 g
Protein34.8 g
Fat0.7 g
Carbohydrate (by difference)39.1 g
Dietary fibre36.4 g
Salt equivalent5.3 g
Sodium2100 mg
Potassium4500 mg
Calcium86 mg
Iron48.0 mg
Vitamin C3 mg
Cholesterol30 mg

How to read these numbers

Other forms of algae

Source: Ministry of Education, Culture, Sports, Science and Technology (MEXT), Standard Tables of Food Composition in Japan (Eighth Revised Edition), 2023 supplement; English food names from the official English edition (2015). Compiled and reformatted by this website. This page is general information, not dietary or medical advice.

More foods: Nutrition: Algae

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Algae, purple laver, dried: Calories & Nutrition per 100 g (Japan's Official Food Table)
Algae, purple laver, dried, toasted: Calories & Nutrition per 100 g (Japan's Official Food Table)
Algae, purple laver, dried, seasoned and toasted: Calories & Nutrition per 100 g (Japan's Official Food Table)

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We are working to carry Japanese craft and everyday culture beyond Japan, by building Japan Towns with local partners. Read the plan, or tell us if it resonates.

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